Wohlers Report 2014 History of additive manufacturing by Terry Wohlers and Tim Gornet Introduction of non-SL systems COPYRIGHT © 2014 History of Additive Manufacturing This34‐pagedocumentisapartofWohlersReport2014andwascreated foritsreaders.Thedocumentchroniclesthehistoryofadditive manufacturing(AM)and3Dprinting,beginningwiththeinitial commercializationofstereolithographyin1987toMay2013. DevelopmentsfromMay2013throughApril2014areavailableinthe complete276‐pageversionofthereport.AnanalysisofAM,fromthe earliestinventionsinthe1960stothe1990s,isincludedinthefinal severalpagesofthisdocument. Additivemanufacturingfirstemergedin1987withstereolithography(SL) from3DSystems,aprocessthatsolidifiesthinlayersofultraviolet(UV) light‐sensitiveliquidpolymerusingalaser.TheSLA‐1,thefirst commerciallyavailableAMsystemintheworld,wastheprecursorofthe oncepopularSLA250machine.(SLAstandsforStereoLithography Apparatus.)TheViperSLAproductfrom3DSystemsreplacedtheSLA250 manyyearsago. In1988,3DSystemsandCiba‐GeigypartneredinSLmaterials developmentandcommercializedthefirst‐generationacrylateresins. DuPont’sSomosstereolithographymachineandmaterialsweredeveloped thesameyear.LoctitealsoenteredtheSLresinbusinessinthelate1980s, butremainedintheindustryonlyuntil1993. After3DSystemscommercializedSLintheU.S.,Japan’sNTTDataCMET andSony/D‐MECcommercializedversionsofstereolithographyin1988 and1989,respectively.NTTDataCMET(nowapartofTeijinSeiki,a subsidiaryofNabtesco)calleditssystemSolidObjectUltravioletPlotter (SOUP),whileSony/D‐MEC(nowD‐MEC)calleditsproductSolidCreation System(SCS).SonystoppedmanufacturingSLsystemsforD‐MECin2007. In1988,AsahiDenkaKogyointroducedthefirstepoxyresinfortheCMET SLmachine.Thefollowingyear,JapanSyntheticRubber(nowJSRCorp.) andDSMDesotechbegantoofferresinsfortheSony/D‐MECmachines. In1990,ElectroOpticalSystems(EOS)ofGermanysolditsfirstStereos stereolithographysystem.Thesameyear,QuadraxintroducedtheMark 1000SLsystem,whichusedvisiblelightresin.Thefollowingyear, ImperialChemicalIndustriesintroducedavisiblelightresinproductfor usewiththeMark1000.ICIstoppedsellingitsresinaboutoneyearlater whenQuadraxdissolvedduetoalegalconflictwith3DSystems. In1991,threeAMtechnologieswerecommercialized,includingfused depositionmodeling(FDM)fromStratasys,solidgroundcuring(SGC) fromCubital,andlaminatedobjectmanufacturing(LOM)fromHelisys. FDMextrudesthermoplasticmaterialsinfilamentformtoproduceparts layerbylayer.SGCusedaUV‐sensitiveliquidpolymer,solidifyingfull layersinonepassbyfloodingUVlightthroughmaskscreatedwith electrostatictoneronaglassplate.LOMbondedandcutsheetmaterial usingadigitallyguidedlaser.CubitalandHelisyshavenotbeenin businessformanyyears. Selectivelasersintering(SLS)fromDTM(nowapartof3DSystems)and theSoliformstereolithographysystemfromTeijinSeikibecameavailable 1 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing in1992.Usingheatfromalaser,SLSfusespowdermaterials.TheSoliform technologywasoriginallydevelopedbyDuPontundertheSomosname andwassubsequentlylicensedtoTeijinSeikiforexclusivedistribution rightsinpartsofEastAsia.Alsoin1992,AlliedSignalintroduced vinyletherExactomerresinproductsforSL. In1993,Soligencommercializeddirectshellproductioncasting(DSPC). Usinganinkjetmechanism,DSPCdepositedliquidbinderontoceramic powdertoformshellsforuseintheinvestment‐castingprocess. MassachusettsInstituteofTechnology(MIT)inventedandpatentedthe processthatSoligenused.Thecompanyshutdownitsoperationsin January2006.Thesameyear,DenkenintroducedanSLsystemthatusesa solid‐statelaser.Denken’sSLsystemwasoneofthefirsttofitonabench topandwasintroducedatalowprice,comparedtootherSLsystemsthat wereonthemarket. Alsoin1993,3DSystemsandCibacommercializedtheirfirstepoxyresin product.Ataroundthesametime,theQuickCastbuildstylewas introduced.QuickCastisamethodofproducinginvestment‐casting patternsthataremostlyhollow,makingitpossibletoburnthemout withoutfracturingtheceramicshell.Itisstillusedtothisday. 1994wasayearofmanynewadditive‐manufacturingsystem introductions.ModelMakerfromSolidscape(thencalledSanders Prototype)becameavailable,asdidnewsystemsfromJapaneseand Europeancompanies.ModelMakerdepositswaxmaterialsusinganinkjet printhead.OneofthenewJapanesesystemswasasmall stereolithographymachinefromMeikotargetedmainlyatthemakersof jewelry.(MeikoendeditsSLbusinessin2006.)Meanwhile,KiraCorp. commercializedJapan’sfirstnon‐stereolithographysystem.CalledSolid Center,itusesastandardlaserprinterengine,toner,andanx‐yplotterand knifetoproducewood‐likemodelsbypaperlamination.Kirareferredto SolidCenterasthefirstplain‐paper3Dprinter. Alsoin1994,Fockele&Schwarze(F&S)ofGermanyintroduceda stereolithographymachine,butonalimitedbasis.TheGermancompany EOScommercializedamachinecalledEOSINTbasedonlaser‐sintering technologythesameyear.Japan’sUshio(nowcalledUnirapidInc.)soldits firststereolithographymachinein1995. Introduction of low-cost 3D printers COPYRIGHT © 2014 In1996,StratasysintroducedtheGenisysmachine,whichusedan extrusionprocesssimilartoFDMbutbasedontechnologydevelopedat IBM’sWatsonResearchCenter.Aftereightyearsofselling stereolithographysystems,3DSystemssolditsfirst3Dprinter(Actua 2100)in1996,usingatechnologythatdepositswaxmateriallayerby layerusinganinkjetprintingmechanism. Thesameyear,ZCorp.launcheditsZ4023Dprinter,primarilyforconcept modeling.BasedonMIT’sinkjetprinting(3DP)technology,theZ402 producedmodelsusingstarch‐andplaster‐basedpowdermaterialsanda water‐basedliquidbinder.Alsoin1996,SchroffDevelopmentbegantosell itssemi‐automatedpaperlaminationsystemforunder$10,000. 2 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing PersonalModeler2100fromBPMTechnologywassoldcommerciallyin 1996.Theballisticparticlemanufacturing(BPM)processdepositedwax materialsusinganinkjetprinthead.Thecompanyceasedoperationsin October1997.Alsoin1996,AaroflexcommercializedDuPont’sSomos stereolithographytechnologyintheU.S.Thesameyear,Kinergyof SingaporebegantosellitsZippypaperlaminationsystems,which functionedsimilarlytotheLOMprocess. AeroMetwasfoundedin1997asasubsidiaryofMTSSystemsCorp.The companydevelopedaprocesscalledlaseradditivemanufacturing(LAM) thatusedahigh‐powerlaserandpowderedtitaniumalloys.Untilitshut downinDecember2005,AeroMetmanufacturedpartsfortheaerospace industryasaserviceprovider.Alsoin1997,CibapurchasedtheExactomer resinbusinessfromAlliedSignal. In1998,BeijingYinhuaLaserRapidPrototypesMaking&Mould TechnologyCo.,Ltd.steppedupthepromotionofitsproducts.Since1996, TsinghuaUniversityinBeijing—theoriginaldeveloperofthesystems— hasofferedtechnologiessimilartoFDMandotheradditiveprocesses.The sameyear,AutostradeintroduceditsE‐DARTSstereolithographysystem tocompaniesinJapanfor$25,000.Alsoin1998,Optomeccommercialized itslaser‐engineerednetshaping(LENS)metalpowdersystembasedon technologydevelopedatSandiaNationalLabs. InMarch1999,3DSystemsintroducedafasterandlessexpensiveversion ofActua2100calledThermoJet.Amonthearlier,thecompanyalsobegan tosellitsSLA7000systemfor$800,000.Itwasthemostexpensiveplastic‐ basedAMsystemonthemarketatthetime.InApril1999,theExtrude HoneAMbusiness(nowExOne)installeditsfirstProMetalRTS‐300 machineforbuildingmetalpartsatMotorola.Thesystemisbasedon MIT’s3DPinkjet‐printingtechnology.Fockele&SchwarzeofGermany introduceditssteelpowder‐basedselectivelaser‐meltingsystem, developedincooperationwiththeFraunhoferInstituteforLaser Technology. Alsoin1999,Rödersbegantosellitscontrolledmetalbuildup(CMB) machine,basedlargelyontechnologydevelopedattheFraunhofer InstituteforProductionTechnology.Thesameyear,DSMpurchasedthe SomosbusinessfromDuPont. InJanuary2000,HelisysannouncedthatToyodaMachineWorksofJapan wouldmanufactureandsellLOMsystemsinJapan.InJune,Toyoda showeditsownmachinebasedonLOMtechnologyatalargeexhibitionin Tokyo.Thesamemonth,SandersDesignInternationalannouncedthe developmentofamachinenamedRapidToolMaker(RTM).Alsoin January,SandersannouncedthatithadlicensedtheRTMtechnologytothe GermancompanyBussModelingTechnology(BMT),formerlyBussMüller Technology,withtheintenttomanufactureandsellitinEurope.Ataround thesametime,BMTannouncedthatitwouldmanufactureandsellacolor 3DprinterbasedonpowderandbindertechnologydevelopedbyAadvan derGeestoftheNetherlands.Theprocesswassimilartothe3DPprocess fromZCorp. COPYRIGHT © 2014 3 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 New generation machines COPYRIGHT © 2014 History of Additive Manufacturing April2000wasamonthfullofnewtechnologyintroductions.Objet GeometriesofIsraelannouncedQuadra,a3Dinkjetprinterthat depositedandhardenedphotopolymerusing1,536nozzlesandaUV lightsource.SandersPrototype(nowSolidscape)introduced PatternMaster,amachinedesignedtoproduceprecisionwaxpatterns. PrecisionOpticalManufacturing(POM)announceddirectmetal deposition(DMD),alaser‐claddingprocessthatproducesandrepairs partsusingmetalpowder.POMbegansystemsalesinearly2002and continuestoofferDMDasaservice.ZCorp.introduceditsZ402C machine,theworld’sfirstcommerciallyavailablemulti‐color3Dprinter. InJuly2000,StratasysintroducedProdigy,amachinethatproducesparts inABSplasticusingthecompany’sFDMtechnology.InOctober,Sanders PrototypeInc.changeditsnametoSolidscapeInc.toavoidmarket confusionwithSandersDesignInternational.InNovember2000,Helisys closeditsdoorsaftersellingmorethan375systemsworldwideovera periodofnineyears.Thesamemonth,HelisysfounderandLOMinventor MichaelFeyginannouncedtheformationofCubicTechnologies.Thenew companyabsorbedmostoftheassetsofHelisys.AlsoinNovember,Teijin SeikiannouncedthatitwouldacquiretheCMETSLtechnologyfromNTT Data.ByMarch2001,theacquisitionwascompleteandtheexpanded stereolithographymanufacturerchangeditsnametoCMETInc. In2001,Solidimension(nowSolido)ofIsraelquietlyintroducedits desktopmachine,atechnologythatlaminatesthinsheetsofPVCplastic. Thecompanywasslowtoshipmachinestocustomers,eventobetatest sites,andhadplannedtosellmachinesin2002,butdidnot.Finally,in 2004,itsolditsfirstmachinestocompaniesinJapan.Alsoin2001, AaroflexandCubitalquietlydisappearedfromtheindustry.Israel‐based Cubitalwasoneofthefirstcompaniestocommercializeanadditive‐ manufacturingprocessandsold33systemsoveraspanofeightyears. InFebruary2001,3DSystemsacquiredOptoForm,aFrenchcompanythat developedastereolithographymethodofusingnon‐liquidphotocurable materials.TheOptoFormtechnologyiscapableofusingceramics,metals, andvariouscompositematerialsintheformofpastes. InMarch2001,ObjetGeometriesbegantoshipabetaversionofitsQuadra 3Dprinter.InMay2001,Solidicadisclosedtechnicaldetailsonits ultrasonicconsolidationprocess,andbegantoshipmachinestobeta customersinlate2001andearly2002.Thetechnologycombines ultrasonicweldingandCNCmachiningtoproducealuminumparts.In September2001,StratasysbeganthecommercialshipmentofitsFDM Titan,amachinecapableofproducingpartsinpolycarbonate,ABS, polyphenylsulfone,andapolycarbonate–ABSblend. InAugust2001,3DSystemscompleteditsacquisitionofDTM.Themerger sparkedanintenseinvestigationbytheAntitrustDivisionoftheU.S. DepartmentofJustice.InSeptember2001,3DSystemsacquiredRPCLtd., asmallstereolithographyresinproducerinSwitzerland.Thisoccurredon theheelsofHuntsman(thenVanticoandformerlyCiba)severingitslong‐ termdistributionrelationshipwith3DSystems. 4 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing AtEuroMold2001inlateNovember,EnvisiontecofGermanyshowedits Perfactorymachine.Thetechnologyusesacrylatephotopolymerand digitallightprocessing(DLP)technologyfromTexasInstrumentsto hardenanentirelayeratonce.AlsoatEuroMold,ZCorp.introducedits Z810,asystemthatprintspartsina500x600x400mm(20x24x16 inch)buildvolumeusing1,800jetsfromsixHPprintheads. In2001,GenerisGmbHofGermanycommercializeditslargeGS1500 system.Thesystemusesaninkjet‐printingtechniquetofusetogethersand toproducesandcoresandmoldsformetalcastings.Laterintheyear, ProMetalinstalleditsfirstRTS‐300machineinEurope. AlsoatEuroMold2001,ObjetGeometriesintroduceditsQuadraTempo product,animprovedversionofitsQuadramachine.EOSannouncedits DirectSteel20‐V1product,asteel‐basedpowderconsistingofparticles20 microns(0.0008inch)insize.Thepowderisusedtoproducemetalparts inlayersthatare20microns(0.0008inch)inthickness.Ataroundthe sametime,thecompanyintroduceditsEOSINT380,alaser‐sintering machinethatofferedspeedimprovements. ConceptLaserGmbH,aHofmanncompanyinGermany,introducedanew systematEuroMold2001thatcombineslasersintering,lasermarking,and lasermachining.Themachineusesanyttrium‐aluminum‐garnet(YAG) laserandstainlesssteelpowdertoproducefullydenseparts.Shanghai UnionTechnologyCo.,Ltd.(alsoknownasUniontech)ofShanghai,China, begantosellitsSLmachinesinChinain2001. In2001,RSPToolingLLCwasformed.RSPstandsforrapidsolidification process,asteelspraytechniquedevelopedattheIdahoNational EngineeringandEnvironmentalLaboratory(INEEL).InJanuary2002,RSP Toolingannouncedthatithadreachedanagreementtoobtainan exclusivelicensefortheRSPtechnology.Analphatestmachinewas completedinFebruary2002.Ohio‐basedBelcanservedasadevelopment partnerandinvestor. Inearly2002,StratasysintroduceditsDimensionproductatapriceof $29,900.TheDimensionmachine,whichdepositsABSplastic,isbasedon theformerProdigyproduct.Thesameyear,ConceptLaserGmbHbeganto sellitsM3Linearmachine.Alsoin2002,EnvisiontecGmbHbegantosell itsPerfactoryandBioplottermachines.TheBioplotterproducesscaffold structuresfromvariousbiomaterialsfortissueengineering. WuhanBinhuMechanical&ElectricalCo.,Ltd.ofChinabegantosell lamination,lasersintering,stereolithography,andplasticextrusion (similartoFDM)systemsin2002.Thesameyear,Solidscapeintroduced itsT66product,alower‐pricedversionofitsdrop‐on‐demandinkjet‐ basedmachine.PhenixSystemsofFrancesolditsfirstPhenix900system in2002.Themachineusessolid‐phasesinteringtoproduceceramicand metalparts. Aftermorethantwoyearsofofferingservicesonly,POMbegantosellits directmetaldepositionmachinein2002.ItusesaCO2laser,a3‐axis, overheadgantryCNC‐motionsystem,andmetalpowderstorepairtooling COPYRIGHT © 2014 5 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing andaidintheproductionoftoolingcomponents.Meanwhile,Schroff Developmentstoppedsellingitsinexpensivepaperlaminationmachines. Menix,Co.,Ltd.ofKoreasolditfirstVLM300variablelaminationmachines in2002.Thissystemusesa4‐axis,hot‐wirecuttertoslicethroughhigh‐ densitypolystyrenesheetsatanangletominimizestairstepping.The machineiscurrentlypricedatabout$18,000. InFebruary2003,ZCorp.introduceditsZPrinter310system.Theproduct, thenpricedat$29,900,usestechnologysimilartothecompany’sother powder‐based3Dprinters.ItreplacedtheZ400product.Thesamemonth, EOSannouncedthatithadsolditsfirsttwoEOSINTlaser‐sintering machinesinNorthAmerica. InMay2003,SonyPrecisionTechnologyAmericabegantomarketthe SonystereolithographymachinesintheU.S.Aspartasettlementbetween 3DSystemsandtheU.S.DepartmentofJustice,Sonypurchasedalicense from3DSystemstosellstereolithographyinNorthAmerica.Activesales ofthemachineoccurredlaterthatyear. Inmid‐2003,SolidscapeintroduceditsT612systemformakingwax patternsforinvestmentcastings.Thebasictechnologyissimilarto Solidscape’sprevioussystems,althoughtheT612isfasterandbuilds muchbiggerparts.Aroundthesametime,Envisionteclaunchedthesaleof itssystemsintheU.S. InSeptember2003,itwasannouncedthatStratasyswouldserveasObjet Geometries’exclusivedistributorforitsEdenproductsinNorthAmerica. ThedistributionagreementendedinDecember2006. Inlate2003,3DSystemsbegantosellandshipitsInVision3Dprinter,a machinethatjetsandhardensphotopolymer,similartoObjet’smachines. 3DSystemspricedthemachineat$39,900.Thecompanyintroducedthe InVisionHR(highresolution)versionofthemachineinApril2004for $59,900.Chubunipponbegantosellitslow‐costWizaray stereolithographysystemin2003.Themachinebuiltacrylatepartsthatfit insidea100x100x100mm(4x4x4inch)buildvolumeandsoldfor about¥998,000(~$10,184). AtEuroMold2003,EOSintroduceditsEOSINTM270directmetallaser‐ sinteringmachine.ThesystemusesafiberlaserratherthanaCO2laser, whichisusedintheEOSINTM250Xtendedmachine.AnotherGerman company,Trumpf,introduceditsTrumaFormLFandTrumaFormDMD 505machinesatEuroMold.TheLFmachineusesa250‐wattlaserand fiberopticcabletodirectlightontoabedofpurepowdermetal.Trumpf partneredwithPOMtoproducetheDMD505machine.The505includesa 5‐axismotionsystem. InMarch2004,Stratasysintroducedthe“Triplets,”whichconsistedof threevariationsoftheFDMVantagemachine.Pricesrangedfrom$99,000 to$195,000.ThemachinesarecapableofprocessingbothABSand polycarbonatematerials. COPYRIGHT © 2014 6 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing InQ22004,EnvisiontecintroducedtheVanquishphotopolymer‐based system.TheVanquishmachineusesdigitallightprocessingtechnologyto solidifyanentirelayeratonce.Unlikethecompany’sPerfactorysystem, Vanquishworksinasimilarwaytotraditionalstereolithographysystems, withthebuildplatformmovingdownwardwitheachlayer. DSMSomosintroducedseveralnewresinsattheApril2005SLA/SLSuser conference,includingananocompositematerial,ahigh‐elongation material,alow‐durometermaterial,aUL94V0flame‐retardantmaterial, andamaterialthatcanwithstandrelativelyhightemperatures. InJuly2004,theProMetaldivisionofExOne(thenExtrudeHone) introducedthesmallRX‐1metal‐basedmachine.Maximumpartsizeis40 x60x25mm(1.6x2.4x1inch).TheRX‐1istargetedateducationaland researchcustomers. AlsoinJuly,3DSystemsannouncedtheBluestonenanocompositeSLresin. Thesamemonth,3DSystemsbegantoshiptheInVisionHR,ahigh‐ resolution3Dprintertargetedatthejewelrymarket.TheSinterstation HiQ,alsoreleasedinJuly,addednewclosed‐loopthermalcontrolsand scanningoptionsaimeddirectlyatprocessimprovementforpart productionapplications.Thistechnologywasalsoofferedasanupgradeto theSinterstation2500plusandVanguardsystems. Solidicasoldandinstalledanewversionofitsultrasonicconsolidation system,calledFormation,inSeptember2004.Thesystemwaspricedat about$400,000.Thefollowingmonth,3DSystemsintroduceditsdual‐vat ViperHAstereolithographysystemforthehearingaidindustry.In November,ObjetintroduceditsVeroFullCure800seriesopaque‐colored materials.Theyofferimprovedmechanicalpropertiesandbetterdetail visualization. AtEuroMold2004,EOSintroducedtheEOSINTP385,aplasticmaterial systemcapableofthinnerlayersthanwerepossiblewithitspredecessor, theEOSINTP380.AlsoatEuroMold,ConceptLaserofGermany introducedtheM1cusinglaser‐meltingmachine.Themachinecanprocess allofthemetalsoftheM3Linearbutitdoesnotsupportlasererosionor lasermarking.NextFactory(nowDWS)introducedtheDigitalWax010 andDigitalWax020systems.Bothuseasolid‐statelasertoharden photopolymer,andwerepricedat€25,000and€35,000,respectively. AlsoinDecember2004,SolidscapeintroducedtheT66BenchtopandT612 Benchtopsystemsfor$40,000and$50,000,respectively.Thesystemsdo notrequireair‐conditioningunits,sotheyaresmallerandlighterthanthe previousmachines. InMarch2005,ZCorp.releaseditslatestcolor3D‐printingsystem,the SpectrumZ510.Itoffersalargerbuildvolume,producesbetterquality partsthantheZ406,andislessexpensiveat$49,900.Thesamemonth, StratasysdroppedthepriceoftheDimensionSSTfrom$34,900to $29,900.Themachineoffersasolublesupportremovalsystemthat automatestheprocess. COPYRIGHT © 2014 7 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing InApril2005,3DSystemsunveiledtheSinterstationPro,alarge‐frame laser‐sinteringmachinewithpartbreakout,powderhandling,and recycling.ItisbuiltontheHiQtechnologyandincludesremovablebuild modulesanddigitalscanning.TheInVisionLD,manufacturedbytheIsraeli companySolidoandrebrandedby3DSystems,wasintroducedataprice of$22,900.ThissystembuildspartsbyselectivelylaminatingPVCsheet material. InJune2005,AspectInc.ofJapanshoweditsSEMplicelaser‐sintering machineatalargeexhibitioninTokyo.Thesamemonth,DSMSomossold itslaser‐sinteringtechnologyandpatentportfoliotoValsparCorp.,alarge manufacturerofcoatingsandlaser‐sinteringpowdersinSwitzerland.A monthlater,ContexScanningTechnologies,aDanishmanufacturerof wide‐formatdocumentscanners,acquiredZCorp.InAugust2005,Objet GeometriesintroducedtheFullCureTangolineofflexiblematerialsforits PolyJetsystems. October2005wasanactivemonth.StratasyslauncheditsRedEyeRPM paidpartsservicebusinesswithonlinequotingand60FDMandPolyJet machines.ObjetGeometriesintroducedtheEden500V,alarge‐format PolyJet3Dprinterfor$170,000.ZCorp.introducedthe$25,900ZPrinter 310Plus,whichreplacedtheZPrinter310.3DSystemsannouncedthe largeViperProSLA,amodularsystemcapableofrunningsingleordual vatsofresin. InNovember2005,3DSystemsannouncedthatitwouldrelocateits headquarterstoRockHill,SouthCarolina.Thecompanyalsoannounced itsnewDuraFormEXpolyamidematerialforitsSinterstationProsystems. Thesamemonth,ExOne’sProMetaldivisionintroducedthesand‐basedS‐ Printmachineatabasepriceof$500,000.Envisionteclaunchedanew versionofitsPerfactorymachine.Meanwhile,MCPToolingTechnologies (nowMTTTechnologiesGroup)introducedtheSLMReaLizer100 selectivelaser‐meltingmachine. VoxeljetTechnologyGmbHofGermanyintroduceditsVX800machineand showedpartsfromitatEuroMold2005.Thelargepowder‐basedsystem uses3DPtechnologyoriginallydevelopedatMITandcommercializedby ZCorp.Thecompanysolditsfirstmachinein2005. InDecember2005,AeroMet,adivisionofMTSSystemsCorp.,ceased operations.MTSsaidinanannouncementthatmakingtitaniumpartsfor theaerospaceindustrywasnotaprofitablebusinessmodel. TheSwedishcompanySpeedPart(nowSintermaskGmbHofGermany) begantoshipitssysteminearly2006.Themachineusesinfraredlampsto projectlightthroughamasktosinteranentirelayerofpowder.Thecycle timeforeachlayerisreportedlylessthan10seconds,regardlessofthe areasintered. InJanuary2006,StratasyssignedanagreementwithArcamtobethe exclusivedistributorinNorthAmericaforelectronbeammelting(EBM) systems.Meanwhile,StratasysloweredthepriceofitsDimensionBSTand SSTmachinesfrom$24,900and$29,900to$18,900and$24,900, COPYRIGHT © 2014 8 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing respectively.Inresponsetotheselowerprices,ZCorp.loweredtheprice ofitsZPrinter310Plusfrom$25,900to$19,900. AlsoinJanuary,ObjetGeometriesintroduceditsEden350/350Vplatform, whichreplaceditspopularEden330/333system.Atthesametime,the companyintroduceditsEden2503Dprinterfor$60,000.Soligenshut downitsoperationthesamemonthaftermorethan12yearsinbusiness. InFebruary2006,3DSystemsannounceditsInVisionDP(dental professional)systemthatincludesanInVision3Dprinterand3Dscanner forthedentalmarket.StratasysaddedtheVantageXsystemsstartingat $99,000andreducedthepriceofitsVantageimachineto$85,000. 3DSystemsreducedthepriceofitsInVisionLD(plasticlamination) productfrom$22,900to$14,900inMarch2006.AlsoinMarch,the companyfiledapatentinfringementlawsuitagainstEnvisiontecandSibco. InQ22006,EOSintroducedstainlesssteelandcobalt–chromematerials. InApril2006,StratasysintroducedtheDimension1200BSTandSST systemspricedat$21,900and$29,900,respectively.Thefollowingmonth, DesktopFactory(Pasadena,California)announcedthatitwasdeveloping a3Dprinterpricedinthe$5,000to$7,000range.Thedeviceusesan inexpensivehalogenlightsourceanddrum‐printingtechnologytobuild partsadditivelyfromplasticpowder. InMay2006,DSMSomosshoweditsNanoTool,ananoparticle‐filled photopolymerforSLwithhigh‐heat‐resistantcapabilities.DSMalso introducedProtoCastAF19120,acompletelyantimony‐free,low‐ash‐ contentSLresintargetedatinvestmentcasting.DSMSomosalsounveiled itsnewhigh‐accuracy,ABS‐likeSLmaterials,ProtoGenO‐XT18120andO‐ XT18420. AlsoinMay2006,SonyManufacturingSystemsendedits stereolithographysalesinNorthAmerica.Underalicensingagreement with3DSystems,SonybegantoestablishanSLsalesorganizationin CaliforniainQ32002.Inaspanofmorethanthreeyears,thecompany soldfoursystems. Thesamemonth,3DSystemsreleaseditsAccura60photopolymer,which issaidtomimicpolycarbonate.Thefollowingmonth,thecompany announcedtwoauthorizedserviceproviders:IntegraServicesforitslaser‐ sinteringequipmentandTotalCSTeamforSLequipment. TheGermancompanyTrumpfdiscontinueditsTrumaFormLFmachinein Q22006.Themachineconstructspartsinapowderbedbyselectively meltingpowderwithaTrumpfdisklaser. InAugust2006,EOSlauncheditscobalt–chromepowdermaterialforthe EOSINTM270systems.Thesamemonth,ZCorp.introduceditsZScanner 700handheld3Dscannerfor$39,900.InOctober2006,EOSannounced thecommercialavailabilityof17‐4stainlesssteelforusewithitsEOSINT M270equipment. COPYRIGHT © 2014 9 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing InNovember2006,3DSystemsopeneditsnewheadquartersinRockHill, SouthCarolina,andStratasysopenedanewofficeinShanghai,China. AtEuroMold2006,severalnewproductswereintroduced.EOSunveiled theFormigaP100laser‐sinteringsystem,anewmachinethatwas designedfromthegroundup.Itcurrentlysellsfor€150,000to€170,000. EOSalsointroducedtwonewhigher‐throughputmachines,theEOSINTP 390andEOSINTP730.VoxeljetTechnologyshoweditsVX800machine, whichusesPMMAthermoplasticpowder.Envisiontecintroduceditssmall PerfactoryDesktopSystem.MTT(thenMCPToolingTechnologies) introduceditsnewSLMReaLizer100selectivelaser‐meltingmachine. NextFactory(nowDWS)introducedafasterstereolithographymachine, aswellasamuchlargersystem. AspectInc.ofJapanshippeditsfirstSEMplicelaser‐sinteringmachinesto customersinQ42006,aproductitintroducedmorethanayearearlier. SpeedPartofSweden(nowSintermaskofGermany)solditsfirstsystems in2006.InQ42006,MeikoofJapanstoppedmanufacturingandsellingSL systems.Neartheendof2006,TrumpfendeditsagreementwithPOMto sellthelargeDMD505machineinEurope.Attheendoftheyear,Stratasys stoppedthedistributionoftheEdenPolyJetproductsforObjet Geometries.Meanwhile, ObjetopenedasalesandsupportofficeinBillerica(nearBoston), Massachusetts.InDecember2006,StratasysinstalledthefirstArcamEBM machineintheU.S. InJanuary2007,3DSystemsannouncedtheV‐Flash3Dprinter.Ituses filmtransferandflash‐imagingtechnology.Themachinewasexpectedto sellandshiparoundmid‐2007atapriceof$9,900.Thesamemonth, StratasyslaunchedthenewDimensionElite3Dprinterfor$32,900. Solidscapereleasedtwomarket‐specificmodelsofitsT66machine,the D66fordentalapplicationsinFebruaryandtheR66forthejewelry applicationsinMarch.Botharecurrentlyabout$36,000.Aroundthesame time,DesktopFactoryreceived“pre‐sales”formostofthe200unitsthatit hadplannedtodeliverin2007.The125ci3Dprinterwasexpectedtobein fullproductioninJulyorAugust2007. InMarch2007,ZCorp.introducedtheZPrinter450,thefirstcolor3D printertobreakthe$40,000pricepoint.Themostinterestingfeatureof thesystemisitsautomatedremovalandrecyclingofloosepowder.The ZPrinter450isthefirstproductfromZCorp.tobetrulyofficefriendly. AlsoinMarch,SonyManufacturingSystemsstoppedmanufacturingthe SolidCreationSystemforD‐MECofJapan.Thiscameafter18yearsof manufacturingthefamilyofstereolithographysystems. Atthe20073DSUGUsersConference,DSMSomosintroducedtheDMX‐SL 100high‐impact‐resistancematerialforrigorousprototypingand manufacturingapplications.ItalsointroducedWaterClearUltrawithABS‐ likeproperties,resistancetowater,andimprovedclarity.Huntsman releasedaresin,initiallynamed71640,forHeCd‐basedSLsystemsthat COPYRIGHT © 2014 10 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing offeredlowviscosityandgoodimpactresistance.3DSystemsannounced theAccura55resinthatmimicsABS. Alsoatthe3DSUGevent,AdvancedLaserMaterialsreleasedanewfire‐ retardantpolyamideforlaser‐sinteringsystems.Itpassedthe60‐second verticalburntestandoffersNylon11‐likeproperties.Thecompanyalso showedahighlyrecyclablepolyamidecompositematerialforLS. SLAMaterialsintroducedthreeSLresins:aclearmaterialcalledHi‐Rezz ICE,Hi‐RezzMEDformedicalapplications,andHi‐RezzX‐factorthatoffers highstrengthandhigh‐temperaturecapabilities. InApril2007,ArcamintroduceditslargerbuildvolumeA2electronbeam melting(EBM)machine.EOSintroduceditsFormigaP100laser‐sintering systemtotheAmericanmarketthefollowingmonth.Stratasysannounced itsFDM200mcmachineandtheABSplusmaterial.ZCorp.announcedthe zp140compositewater‐curingmaterialthatrequiresnosecondary infiltrationorcoatingandthezp131,awhitermaterialforfinerfeatures. ConceptLaserintroducedtheM2cusingsystemforprocessingreactive materials(i.e.,aluminumandtitaniumalloys). InJuly2007,3DSystemsintroducedtheAccuraExtremeSLresinwith improveddurabilityandelongation.CRPTechnologyreleaseditsmore flexible,impact‐resistantWindformFXmaterialforlasersintering.The samemonth,StratasysintroducedtheFDM400mcandM30ABSmaterial. Thefollowingmonth,Stratasysopenedanewglobalheadquartersfacility inEdenPrairie,Minnesota. InSeptember2007,DesktopFactoryacceptedadvancereservationsforits $5,0003Dprinter.Thesystemwasoriginallyexpectedtobecomeavailable in2007,butshipmentwasdelayed.AlsoinSeptember,3DSystems introducedtheDuraFormHSTfiber‐filledpolyamideforlasersintering,as wellastheAccura48HTRhigh‐temperatureSLmaterial.Meanwhile,Objet Geometriesintroducedarubber‐likematerialcalledTangoPlus. InOctober2007,VoxeljetintroduceditsVX500system,asmallerversion oftheVX800,for€270,000.DSMSomosintroduceditsWaterClearUltra materialinNovember2007.Thesamemonth,Envisiontecissuedapress announcementstatingthatthe3DSystemsV‐FlashinfringesonitsGerman patents.AccufusiondelivereditsfirstcommercialsysteminNovemberto ExeterAdvancedTechnologies(UK),anorganizationthatisapartofa consortiumledbyAirbus. December2007wasamonthfullofintroductions.Stratasysannounced theavailabilityofitslarge‐frameFDM900mc,whichincludes32partsthat weremanufacturedwithFDMtechnology.3DSystemsannouncedanew nanocompositeSLresincalledAccuraGreystone.EOSintroducedan impact‐resistantLSmaterialcalledPrimePartDCandahigh‐elongation, flexiblematerialcalledPrimePartST. AtEuroMold2007inDecember,Envisiontecintroducedthe PerfactoryXede,amachinethatisdramaticallylargerthanitsprevious Perfactorysystems.Thecompany’sVanquishsystembecamethe PerfactoryXtremewithanew“skin.”ThecompanyalsointroducedSI500, COPYRIGHT © 2014 11 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing amaterialthatissaidtohaveABS‐likeproperties.Thesamemonth, AdvancedLaserMaterialsannouncedthecommercialavailabilityofits flame‐retardantFR‐106laser‐sinteringmaterial. AlsoatEuroMold2007,ObjetGeometriesdebuteditsmulti‐material Connex5003D‐printingsystem.Themachineiscapableofprintingtwo buildmaterialssimultaneously.ItisbasedonObjet’sPolyJetMatrix technology.Thecompanycoinedtheterm“digitalmaterial”todescribethe resultofproducingacompositesubstanceusingPolyJetMatrixtechnology. AtEuroMold,SintermaskshoweditsPollux32selectivemask‐sintering system,whichsintersentirelayersatonce. InDecember2007,McorTechnologiesofIrelandinformallyintroducedits newMatrixsystemthatusesabladeandadhesivetolaminateA4sheetsof paper.Thesystemwasexpectedtosellfor€18,900.AlsoinDecember, formerMicrosoftvicepresidentEdFriesannouncedFigurePrints (Redmond,Washington).Thecompanyproducescharactersfromthe wildlysuccessfulWorldofWarcraftvideogameusingcolorAMfromZ Corp. InJanuary2008,TangibleExpressfiledalawsuitagainst3DSystemsand shutdownitsoperationsinSpringville,Utah.Thefollowingmonth,3D SystemssettledthesuitbypurchasingalloftheequipmentfromTangible for$5.3million.StratasysandArcamterminatedthedistribution agreementthatallowedStratasystodistributetheEBMproductsinNorth America.Subsequently,Arcamsetupitsowndirectsaleschannelinthe U.S. Thesamemonth,StratasysintroducedtheFDM360mctoreplacethe Vantagemachines.3DSystemsreleasedthenextversionofitsMulti‐Jet Modelingmachine,theProJetHD3000. InFebruary,3DSystemsandMTT(thenMCPToolingTechnologies) announcedaprivatelabelagreementinwhich3DSystemswould distributetheselectivelaser‐meltingsystemsintheU.S.Stratasys announceditsDimension1200es3DprinterwithABSplusmaterial.Also, thecompanyannounceditsRedEyearchitecturalmodelingdivision— RedEyeARC. StratasysunveiledabiocompatibleFDMmaterial,ABS‐M30i,inMarch 2008.Thesamemonth,3DSystemsannouncedacollaborativematerials agreementwithTrialCorp.ofJapantodevelopnewLSmaterials.DSM Desotech(a.k.a.DSMSomos)filedalawsuitagainst3DSystemsalleging anticompetitiveconductandpatentinfringement.JohnKawola,alongtime ZCorp.employee,replacedTomClayasCEOofZCorp.MCPTooling TechnologieschangeditsnametoMTT. InApril2008,3DSystemsbegantoshipitsV‐Flashdesktopmodeler,but thensoonstoppedshipment.Salesandshipmentswerestillonholdasof April2009.Thesamemonth,SolidscapeintroduceditsT76precisionwax‐ printingsystem. COPYRIGHT © 2014 12 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing InQ22008,Netherlands‐basedShapeways,acompanythatisapartofthe PhilipsElectronics’incubatorprogram,rolledoutitsservicetotheworld. Thecompanygivesconsumersarelativelyeasywaytoconvert3Ddesigns intopartsorproducts.Shapewaysoffersarangeof“creator”toolsthat simplifiestheprocessofdesigningcustomproductsforconsumers. InMay2008,EOSofGermanyintroduceditshigh‐elongationpolyamide PrimePartDCforplasticlasersinteringandStainlessPH1foritsdirect metallaser‐sinteringplatforms.Optomec(Albuquerque,NewMexico) releaseditsnewLENSMR‐7machinewithafiberlaser,dual‐powder feeder,andintegratedthermalimagerforprocessmonitoring.Optomec alsoenteredintoanagreementwithManzManufacturingofGermanyfor usingtheM3DAeroselJetdepositionsystemforprintingphotovoltaic cells. ArcamofSwedenreleasedtheTitaniumGrade2materialforitselectron beammeltingsystemsthesamemonth.3DSystemsannouncedan agreementwith3Mtocombineitsdental‐scanningsystemsasoptions with3DSystems’3D‐printingsystems.InJuly2008,3DSystems,Boeing (USA),EOS,EvonikofGermany,andMTTcreatedaDirectManufacturing ResearchCenterwiththeUniversityofPaderborn(Germany).Objet GeometriesannouncedtheDurusWhiteFullCure430polypropylene‐like material.3DSystemsintroducedtheiPro9000SLACenter stereolithographysystemasareplacementtoitsViperProinAugust2008. ThecompanyalsointroduceditsProJetSD30003Dprinter. InSeptember2008,Nuvotronics(Blacksburg,Virginia)announcedthe commercialavailabilityofitsPolyStratamicrofabricationtechnologyfor verysmallelectronicandsensingdevices.MilwaukeeSchoolof EngineeringlicenseditsTetraLatticeTechnology,developedin conjunctionwithMaterialiseofBelgium,toDSMSomos. At3DSystems’WorldConferenceinOctober2008,thecompanyshowed thelarge‐frameiPro9000XLSLACenterandtheiPro8000MPSLACenter, whichhasa50mm(2inch)buildheightandtargetsthehearingaid, dental,andmedicalindustries.Anewultra‐clearSLmaterial,Accura ClearVue,wasalsoshown.TheProJetCP300RealWax3Dprinteranda large‐formatProJet5000werereleased.ThesPro140and230SLSCenters wereshownandhavereplacedtheSinterstationProseries.Thecompany alsoannouncedtheavailabilityofitspolypropylenelaser‐sintering material,DuraFormPP100,developedjointlywithTRIALCorporationof Japan. AttheOctoberTCT2008eventinCoventry,England,MTTreleaseda largerselectivelaser‐meltingmachine,theSLM250‐300.Themachine offersa250x250x300mm(9.8x9.8x11.8inch)buildvolumewith automatedpowderhandlingandrecycling.Alsoattheevent,Mcor TechnologiesofIrelandofficiallylauncheditsMatrix3Dprinter.Ituses standardA4sheetsofpaper,awater‐basedadhesiveforbondingthe sheets,andamechanicalbladeforcuttingthecrosssections.Itispricedat about€25,000. COPYRIGHT © 2014 13 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing AlsoatTCT2008,HuntsmanAdvancedMaterialsofSwitzerland announcedthedevelopmentofanentirelynewadditive‐manufacturing processbasedonMLSMicroLightSwitchtechnology.Ituses40,000 microshuttersandarasterapproachtodirectUVlightontothesurfaceof photopolymer.OctoberwasthemonththatZCorp.chosetoreleasethe high‐resolution,24‐bitcolorZPrinter650for$60,000.Objetintroduced the$40,000Alaris30PolyJetmachinethatproduces28‐micron(0.0011‐ inch)layersusingtheVeroWhiteFullCure830material. FigurePrintsproduced1,700customproductsusingAMforplayersof WorldofWarcraftinOctober2008.Thiscameonly10monthsafterthe companylaunchedthemanufacturingservice.InNovember,another consumer‐orientedservice,JuJups.combyGenometriofSingapore,began makingcustomChristmasornaments.ThecustomersubmitsaJPGimage ofaface,whichisthenusedtoproduceanangelincolorusinga3Dprinter fromZ.Corp.Thesamemonth,ObjetreleaseditsEden260Vmachine capableofrunningarangeofmaterials,includingtheVero,Tango,and DurusWhite. AtEuroMold2008inDecember,HuntsmanAdvancedMaterialsintroduced theAralditeDigitalis,amachinebasedonMLSMicroLightSwitch technology.Thechemistrygiantbelievesthatitisfasterandmoreaccurate thanstereolithography.Huntsmanalsoannouncedanewmaterial,SL 7820.Itiswhiteinitsuncuredform,butturnsblackuponexposuretoUV, resultinginblackSLpartswithoutsecondarypainting. AlsoatEuroMold,EOSunveiledanewlarge‐frame,high‐temperature, laser‐sinteringplatform,theEOSINTP800.Itiscapableofprocessing polymersuptoatemperatureofabout385°C(725°F).ThisexpandsAMto anewrangeofthermoplastics,suchasPEEK,whichEOSalsointroducedat EuroMold.StratasysannouncedthatitwouldofferULTEM9085forits FDM900mcand400mcmachines.Thematerialiswidelyusedinaircraft interiorsforitsflameredundancyandlowsmokeemissions.Concept LaserofGermanyreleasedanupdatedM1cusingsystem.Thenew machinehasamorepowerfullaseranda250x250x250mm(9.8x9.8x 9.8inch)buildvolume. AlsoinDecember2008,Stratasysintroducedavapor‐honingproduct calledFortusFinishingStationsforfinishingFDMpartsmadeinABS. ElectronicArtsofRedwoodCity,CaliforniaandZCorp.announcedthe availabilityofSporeSculptor,aserviceforprintingmodelsofSpore creatures.Neartheendof2008,3DSystemssolditsGrandJunction, Coloradofacility. InJanuary2009,70individualsfromaroundtheworldmetattheASTM InternationalheadquartersnearPhiladelphia,Pennsylvaniatoestablish ASTMCommitteeF42onAdditiveManufacturingTechnologies.The committeewascreatedtoproducestandardsontesting,processes, materials,design(includingfileformats),andterminology.Thesame month,theDimension3DPrintingGroupofStratasysintroducedthe uPrintPersonalPrinterfor$14,900.ThemachineusestheABSplus materialandsolublesupports. COPYRIGHT © 2014 14 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing AlsoinJanuary,Shapeways(Eindhoven,Netherlands)introduced ShapewaysShops.Itallowsartists,designers,oranyonetosetup “storefronts”andupload3Dmodelstoselltothepublic.Theproductsare manufacturedonanAMsystemandshippeddirectlytotheconsumerby Shapeways.Productsincludesculptures,jewelry,figurines,andawide rangeofotherconsumer‐orientedproducts.Pricesstartatafewdollars. InFebruary2009,JérémiePierreGayfoundedCreateItReal(Aalborg, Denmark).Hewasplanningtooffera3DprintercalledthePlatonin2010. AlsoinFebruary,EOSandVictrexoftheUKannouncedanewPEEK material,PEEKHP3,foruseinthehigh‐temperatureEOSINTP800 machine.StratasysannouncedapricereductiononitsEliteandBST 1200esDimensionmachinesinMarch2009.3DSystemsformedan alliancewithDreveGmbHofGermanytodevelopandmarketdental applicationsolutions. FigurePrintsannouncedtheavailabilityofitscustomadditive‐ manufacturingserviceinEuropeinMarch2009.Thesamemonth, ReaLizerGmbHofGermanyintroducedtheSLM50,thefirstselective laser‐meltingmachinethatfitsonabenchtop.Thesystemmeasures800x 700x500mm(31.5x27.6x19.7inches)andprocessesstainlesssteel, toolsteel,cobalt–chrome,andgold. InApril2009,EOSboughtacontrollinginterestinAdvancedLaser Materials,adeveloperandmanufactureroflaser‐sinteringmaterials.EOS andTrumpfofGermanywithdrewtheirU.S.lawsuitagainstMTT TechnologiesafterMTTagreedtolicensecertainlaser‐sinteringpatents ownedbyEOSandTrumpf. AlsoinApril,BitsfromBytesofEnglandreleasedtheRapMan3Dprinter kit(£750)basedontheRepRapopen‐sourcesystemlaunchedatBath UniversityofEngland.ItusesanextrusionheadsimilartoFDM,includes softwareforslicingSTLfiles,andsendsthedatatothemachineinG‐code format.Thesamemonth,StratasysreleaseditsnewSR‐30support materialforitsABSM‐30material.Thematerialdissolvesabout50% fasterthanitspredecessor. InApril2009,MakerBotIndustriesintroduceditsCupcakeCNCproduct basedontheRepRapopen‐sourcesysteminApril2009.Kitsareavailable for$750.ProMetalRCT,adivisionofExOne,wasnamedtheNorth AmericandistributorfortheVoxeljet3D‐printingprocess. InMay2009,EOSsolditsfirstEOSINTP800laser‐sinteringmachinefor processingPEEKandotherhigh‐temperaturematerials.Envisiontec introduceditsULTRAbench‐topDLP‐basedsystemfor$35,000. SolidscapeunveileditsPreXactolineof3Ddentalprintersanditsnew DentaCastmaterial.3DSystemscommencedshipmentofits$9,900V‐ Flash3DprinterthatwasannouncedinJanuary2007. InJune2009,ZCorp.releaseditsnewwater‐curablezp150composite buildmaterial.3DSystemsreleasedDuraFormFR100,ahalogen‐free, flame‐retardantmaterialforlasersinteringthatmeetsaerospacesmoke andtoxicityrequirements.AlsoinJune,ObjetGeometriesannouncedits COPYRIGHT © 2014 15 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing Connex350systemforabout$200,000.LiketheConnex500,itusesthe PolyJetMatrixtechnologytoprintmultipledigitalmaterialswithdifferent properties. AlsoinJune,FujifilmDimatixunveileditsnewDimatixMaterialsPrinter DMP‐3000,whichoffersaprintareaof300x300mm(11.8x11.8inches). Ituseshigh‐definitionprintheadsthatuserscanfillwiththeirownfluids. TheprinterissimilartoOptomec’sAerosolJetnon‐contact,maskless systemfordirect‐writeelectronics.TheDimatixsystemistargetedatthe printedelectronicsmarketforresearchanddevelopment. InAugust2009,3DSystemsacquiredtheassetsofDesktopFactoryfrom Idealab(Pasadena,California).DesktopFactorycreatedanindustrybuzz whenitannounceda$5,000machineinMay2006.Thesystemusesan inexpensivehalogenlightanddrum‐printingtechnologytobuildpartsin plasticpowder,butthecompanywasunabletocommercializeit.Stratasys announcedthecompatibilityofitslarge‐frameFortus900mcmachine withULTEM9085,PC‐ABS,PC‐ISO,andABS‐M30iinAugust. ObjetannouncedanewmaterialpackinOctober2009foritsConnexline ofPolyJetMatrixprintersthatgaveusers18additionalmaterialswith ShoreAhardnessfrom27to95.TangoBlackPlusFullCure,amaterialwith rubber‐likeproperties,wasalsoreleased.Thesamemonth,Materialise andothervolunteercompaniesturnedovertheRP4Baghdad humanitarianprojecttoDoctorsWithoutBorders.Theeffortprovided medicalassistancetociviliansinIraq. Thesamemonth,ASTMInternationalCommitteeF42onAdditive ManufacturingTechnologiespublishedstandardterminologyforthe industry—thefirststandardproducedbythegroup.3DSystems purchasedAcu‐CastTechnologies(Lawrenceburg,Tennessee)and launchedit3DpropartsservicebureauinOctober2009.Asthefirstof severalserviceprovideracquisitions,3DSystemsmarkedtheentrance intothepaidpartsbusiness,effectivelycompetingagainstitsown customers. ZCorp.announceditsautomatedmonochromeZPrinter350machinewith automatedmaterialloadingandintegratedmaterialrecyclinginOctober 2009.DSMSomosannouncedthatitsWaterShedXC11122andProtoGen 18420materialshavebeenISO10993certifiedforinvitrocytotoxicityand sensitivity.InNovember2009,3DSystemsacquiredAdvaTech Manufacturing(Goodland,Indiana). AtEuroMold2009inDecember,EOSannouncedtwonewplasticlaser‐ sinteringmachines:theEOSINTP395andEOSINTP760.Thelarge‐frame P760machinecanmonitorlaserpowerduringthebuild.EOSreleased NickelAlloyIN718(anInconelalloy)andAl‐Si10‐Mg(analuminumalloy) foritsMseriesmetals‐basedmachines.3DSystemsannouncedtheProJet 5000,withabuildvolumeof550x393x300mm(21.7x15.5x11.8 inches).ItusestheVisiJetMXphotopolymermaterialwithawaxsupport material. COPYRIGHT © 2014 16 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing AlsoatEuroMold,Solidorelauncheditsplasticlaminationsystemand createdalotofattentionintheprocess.TheSD300Prosystemispriced from$2,950to$9,950intheU.S.,alongwiththe$2,950purchasepricefor requiredsupplies,bringingthetotalto$14,950.CarimaofSouthKorea introducedafamilyofthreeDLP‐basedvisiblelightphotopolymer3D printers.Theyarepricedfrom$57,000to$59,000andbuildpartsupside down,similartothePerfactorysystemfromEnvisiontec.Voxeljetreleased itsnewlarge‐framemachine,theVX800HP,withincreasedthroughputand higherresolution.3DSystemsexpandedits3dpropartsservicetoEurope. Neartheendof2009,StevenAdlerofA3DMformedanindependent Solidscapeusersgroupforjewelrydesignersandmanufacturerswhouse theSolidscapeequipment.Anonlineforumwasestablishedat solidscapeusergroup.com.Meanwhile,adesign‐your‐owntoywebsite, MAQET(maqet.com),waslaunchedbyartistKeithCottingham. InJanuary2010,StratasysandHPsignedanagreementforStratasysto manufactureanexclusivelineofHP‐branded3Dprinters.AlsoinJanuary, StratasysannouncedthenewuPrintPlus,whichoffersaslightlylarger buildvolumecomparedtouPrint.AlsoincludedareSMARTSupports, whichreducetheuseofsupportmaterialbyupto40%.Thesamemonth, OptomecreleaseditsAerosolJetDisplayLabSystemfortouchscreensand displayapplicationsusingdirect‐writetechnology. InFebruary2010,3DSystemsacquiredMoellerDesign(Seattle, Washington)toexpand3Dproparts.OptomecwasawardedaNavy contracttocontinuedevelopingtheLENSprocessforaircraftengine repair.MaterialisereleaseditsMagicsMetalSGsupportgeneration softwareformetaladditivemanufacturing.CRPTechnology(Italy) introducedanewlaser‐sinteringmaterial,WindFormLX2.0.EWIhosted thestartupmeetingforanewAdditiveManufacturingConsortium. InMarch2010,StratasysextendeditsSMARTsupportscapabilitytoits entirelineofDimensionandFortusmachines,allowingforbuildtime reductionsofupto14%andreductioninsupportmaterialby40%. NetfabbreleasednetfabbEngineforRapManBasic.RapManisa3Dprinter fromBitsfromBytes,basedontheRepRapopen‐sourcedevelopment.In April2010,3DSystemsacquiredDesignPrototypingTechnologies(East Syracuse,NewYork).Thesamemonth,Materialisecelebratedits20th anniversarywithitsWorldConference2010inLeuven,Belgium. Additionaldevelopmentsin2010includedtheintroductionofcometruejet fromMicrojetTechnologyofTaiwan.Thecompanyofferstwocolorinkjet 3DprintersusingtechnologythatisverysimilartothatfromZCorp.Irepa LaserformedEasyCLADSystemstomarketitslasermetaldeposition equipmentusingapowderfedthroughanozzlesimilartoLENS.The equipmentcanbeusedforlasercladdingorpartconstructionandhasthe capabilityofmulti‐axisandmulti‐materialdeposition. By2011,severalindustrieswereadoptingAMastheirmainmethodof manufacture.Manufacturersofin‐the‐earhearingaidswerefirsttoadopt AMtechnologyindustrywidefortheproductionofcustom‐fitshells.The COPYRIGHT © 2014 17 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing dentalindustrybeganexperiencingthesamepervasivegrowthintheuse ofAMsystems.Thedentalmarket,however,ismanytimeslargerthanthat ofhearingaids. Thedirectmetalsprocessingtechnologiesgarneredsignificantinterest andgrowth.Itisbelievedthatthepossibilityofnoveldesigns,combined withmechanicalpropertiesequivalenttowroughtalloyswithwhich designersarefamiliar,mayspeedtheadoptionofmetal‐basedAMata muchfasterratethanpolymer‐basedAM.Biomedicalandaerospace applicationshaveledthewayinthisarea. WhenakeyFDMpatentexpired,inexpensiveequipmentintheformofkits andfullyassembledmachinesbasedontheRepRapopen‐sourceproject becameavailable.Sincetheirintroduction,theselow‐cost“personal” systemshaveexperiencedverystronggrowth.Whencritical stereolithographyandlasersinteringtechnologypatentsexpire,expect individualsandorganizationstotakeadvantageofsimilaropportunities withtheseprocesses. TheASTMInternationalCommitteeF42onAdditiveManufacturing Technologiesprogressedimpressively.Theterminologystandardwasthe firsttobecompleted,in2009.TheF42mainballottitledSpecificationfor DataExchangeFormatforAdditiveManufacturingstandardwasballoted andapprovedinMay2011asthefirstnon‐terminologystandard.InJuly 2010,theASTMF42designsubcommitteereleaseditssurveyonAM designrules.ThisworkisseenascriticaltocontinuedadoptionofAMfor end‐useproductionparts. InApril2010,Renishawplc(UK)openedadentalmanufacturingfacility basedoncobalt–chromiumDMLSforcopingsandframeworks.Shapeways (TheNetherlands),anonlineproviderofconsumer‐orientedproducts, begantoofferAMpartsmadefromglass.AlsoinApril,Stratasysbeganto delivershipmentsoftheHP‐brandedFDMmachines. InMay2010,ZCorp.(Burlington,Massachusetts)announceda distributionagreementwithEnvisiontecforitsUltraDLP‐basedmachine. ItwasmarketedastheZBuilderUltra.3DSystemsannouncedtwonewSL resinsforitslaser‐basedsystems:AccuraPEAK,apolycarbonate‐like material,andAccuraCeraMAX,astiff,ceramic‐filledmaterial.AlsoinMay, DSMSomosreleasedNeXt,anABS‐likephotopolymerthatisdurableand waterresistant. InJuly2010,DeltaMicroFactoryCorp.(Beijing,China)introducedits extrusion‐basedportablepersonalUP!3Dprinter.Themachinewas offeredforlessthan$3,000.ItisasinglespoolsystemwithaWindows‐ basedinterfaceandautomaticsupportgeneration.Thepartqualityis amongthebestofthesystemsinthisclass. 3DSystemsacquiredtwoFrenchserviceproviders,CEPandProtometal,in July2010.Thesepurchasescontinuedthebuyingspreeof3DSystemsand theexpansionof3DpropartsinEurope.3Shape(Denmark),adeveloperof automatedsoftwaretoolsfororthodonticsandhearinginstruments,and ObjetteamedtoofferadentalsolutionforusersofObjet’sPolyJet COPYRIGHT © 2014 18 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing technology.ZCorp.releasedtwolow‐costprinters,themonochrome ZPrinter150atjustunder$15,000,andthecolorZPrinter250atjust under$25,000.Thiscontinuedtheindustrytrendtowardlowercost3D printers. Solidscape(Merrimack,NewHampshire)signedadistributionagreement withHainanGikingTechnologyCompanyinChinaforitswaxdrop‐on‐ demandprintersfordentalapplicationsinAugust2010.Thatsamemonth, HarvestTechnologies(Belton,Texas)openedalargerfacility,anindication ofthestrengthofusingAMforpartproduction—anichethatHarvesthas developed.BitsfromBytes(UK)announcednewsoftware,calledAxon,to driveitskit‐basedRapManandBFB‐3000machine.EOSandGF AgieCharmillespartneredtocreateacompletetool‐makingprocessbased ondirectmetallasersinteringforcreatingtoolswithconformalcooling andwire/ramEDMforfinalfinishingofthetool.AlsoinAugust2010, Quickpartsannouncedtheavailabilityofanewonlinequotingsystem, QuickCutCNC,fortraditionallymachinedparts. InSeptember2010,Objet(Rehovot,Isreal)reducedthepriceofits Alaris30printerto$24,900.AlsoinSeptember,INUS(SouthKorea)started aservicenamedInvisHandstocreatetrueCADdatafrom3Dscanpoint clouds.AlocallyinstalledapplicationuploadsthescandatatoINUSwhere companystaffcreatestheCADmodel.ThefinishedCADmodelcanbe viewedusingthelocalapplication,andiftheuserissatisfied,themodel canbepurchasedanddownloaded.3DSystemsacquiredserviceprovider ExpressPattern(VernonHills,Illinois).ExpressPatterniswellknownfor creatinginvestment‐castingpatternswithSL.Shapewaysreceived$5 millioninventurecapitalfunding. 3DSystemsboughtBitsfromBytes(UK)inOctober2010.BitsfromBytes offerslow‐cost,extrusion‐basedsystemsinkitandassembledforms.This gave3DSystemsafootholdinthehobbyistandeducationalmarkets.3D SystemsacquiredtheserviceproviderProvelofItalythesamemonth. Rhodia(France)announcedtwonewLSmaterials,PA11andPA6. InNovember2010,SpanishresearchcenterIQSannouncedtwonew Hydroxyapatite(HA)formulationsforusein3Dprinters.HAisacalcifiable materialoftenusedinbiomedicalanddentalapplications.3Dprintingis usedforthecreationoftheshape,whilesecondarysinteringisrequiredto formthefinalpart. EuroMoldinDecember2010broughtmanynewproductannouncements. EOSintroducedtheEOSINTM280system.Themachine’sdual‐mode systemcanruninnitrogenorargonenvironments,enablingcustomersto usematerialssuchasstainlesssteelandcobalt–chrome,aswellas titaniumalloys.NickelAlloyIN625wasannouncedforusewiththenew EOSequipment.Twonewpolymermaterialswerealsoreleased:theflame retardantPrimePartFRandtheflexiblePrimepartST. AlsoatEuroMold,ObjetreleaseditsObjet243Dprinteratalistpriceof $19,900.3DSystemsannouncedtheHD3000plusandtheCPX3000plus systems,whichofferanincreasedbuildsizeinthexdirection,aswellas thinnerlayers.AnewProJetofferingcalledtheProJet6000,whichlooks COPYRIGHT © 2014 19 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing likearepackagedViperstereolithographysystemwithvariousbuild depths,wasalsoannouncedAlsoinDecember,Shapewaysmovedits headquarterstoNewYork,NewYork. MeetingswereheldinMay2010andatEuroMold2010thatinvolvedthe CEOsofcompaniesintheAMindustry.InJanuary2011,theCEOsdecided tofundaninitiativethatwouldattempttobrandadditivemanufacturing toabroaderaudience.Thesamemonth,itwasannouncedthatSolidohad laidoffitsworkforceof30employeesandenteredreceivership.Thiscame afterFortissimoCapitalsaiditwouldprovideSolidowith$8.5millionin financing.Solidosoldalow‐costmachinethatproducedpartsinPVCby sheetlamination.TheassetsandactivitiesofSolidowereabsorbedbya newcompanynamedSolidModelLtd. AlsoinJanuary2011,MTTTechnologiessplitintotwocompanies:MTT TechnologiesLtd.(UK)andSLMSolutionsGmbH(Lübeck,Germany).Both companiesareprovidingselectivelasermeltingequipment.3DSystems purchasedNationalRPSupport(Pella,Iowa),aproviderofSLequipment maintenanceandhardwareupgrades.Meanwhile,BotMill(BocaRaton, Florida)releasedtheAxis2.1kitfor$1,065andapreassembled, extrusion‐basedmachineGlider3.0for$1,395.Botharesingleextruder headmachinesbasedontheRepRapopen‐sourcework. InFebruary2011,CRPTechnology(Italy)introduceditsnextgenerationof carbon‐fiber‐filledmaterial,WindformXT2.0,withincreasedstrengthand greaterelongation.Materialiseannouncedanewmaterialwithhigh stiffnessandgoodimpactstrength,TuskSolidGrey3000.Thematerialwas developedbyDSMSomosforMaterialise’slargeMammothSLmachines. AlsoinFebruary,3DSystemsacquiredQuickparts(Atlanta,Georgia),ane‐ commerceserviceproviderthathadrevenuesof$25millionin2010. InMarch2011,3DSystemsacquiredtheserviceproviderAccelerated Technologies(Austin,Texas)andannouncedanewVisiJete‐stone materialfordental‐specificapplications.Ajudgmentinfavorof3D SystemsagainstEnvisiontecforpatentinfringementwasenteredinMarch, aswell. InApril2011,the3DSUG,ausersgrouppreviouslyonlyavailableto ownersof3DSystemsequipment,openeditsannualconferencetoObjet andEOSusers.The3DSUGmembershipvotedtorenamethegroup AdditiveManufacturingUsersGroup(AMUG)andallowownersandusers ofothertechnologiestoalsobecomepartofthegroup.AdvancedLaser Materials(ALM),astrategicpartnerofEOS,tooka51%stakeinIntegra Services.Integraprovideshardwaremaintenance,upgrades,and developmentofpolymerLSsystems.ObjetannouncednewDigital MaterialsinApril,includingVeroClear,aclear,ABS‐likematerial,and VeroWhitePlus,amultipurposematerial. AlsoinApril2011,Renishawplc,knownprimarilyforitsmeasurement equipment,acquiredMTTTechnologiesLtd.Materialisepurchased MarcamEngineering(Germany),asoftwaredeveloperforAMthatis specifictometals.3DSystemsannouncedatwo‐for‐onestocksplitthe samemonth.3DSystemsacquiredSycodeSoftwareSolutions(India),a COPYRIGHT © 2014 20 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing smallcompanythatdevelopsplug‐insforCADsystems,andPrint3D (India),whichhasanAMquotingplug‐inforCADsoftware. InMay,StratasysacquiredSolidscape,acompanythatoffershigh‐ resolution3Dprintersforcreatingwaxpatternsforinvestmentcasting, particularlyforthejewelryanddentalmarkets.3DSystemsacquired The3dStudo.com,aproviderof3Dmodels,textures,plug‐ins,galleryart, andstockphotosandimages.Thesamemonth,3DSystemsacquired FreedomofCreation(FOC),anAmsterdam‐basedcompanythatprovides printablecollectionsand3Dcontent.FOC’sprojectshavereceivedagreat dealofattentionoverthecompany’s10+yearsinoperation.InMay,3D SystemsenteredintoadistributionagreementwithVoxeljetTechnology GmbHforNorthAmerica. AlsoinMay,ObjetreleasedanABS‐likedigitalmaterialandaclear, transparentmaterial,VeroClear.AttheannualRAPIDconferencein Minneapolis,Minnesota,WilfriedVancraenwasrecognizedwiththe IndustryAchievementAwardforhisextensivecontributionstoAMas founderandCEOofMaterialise(Belgium).3DSystemstransferredfrom theNASDAQtotheNewYorkStockExchangeunderthetickersymbol DDD,followinga2‐for‐1stocksplitearlierthatmonth.3DSystemsalso releasedanewmaterialcalledAccuraCastProforinvestmentcasting patterns. Optomec(Albuquerque,NewMexico)releasedanewwide‐areaAerosol Jetprintheadforuseinprinting3DandconformalelectronicsinJune 2011.WhileknownmainlyintheAMindustryforitsLENSequipment, Optomec’sAerosolJetprintinggrewoutoftheDARPAMesoscopic IntegratedConformalElectronics(MICE)program.Itisusedinthe printingof3Delectronics,solarcells,anddisplays. InJuly2011,ObjetreleasedtheObjet260Connex,asmallerbuildvolume multi‐materialprinterusingitsdigitalmaterialstechnology.Solidscape (Merrimack,NewHampshire)announcedanewmaterial,plusCAST,which providesamoredurablepatternforlostwax‐castingapplications.Delcam (UnitedKingdom)acquiredaportionofAMsoftwaresolutionsprovider FabbifySoftware(Germany).ItisexpectedthatFabbifySoftwarewill assistinintegratingmoreAMapplicationsintotheDelcamdesignand manufacturingsoftware. InJuly2011,StratasysannouncedanewcrossoverAMmachine,theFortus 250mc,whichrunstheABSplusmaterialwithasolublesupportmaterial.A newstaticdissipativematerial,ABS‐ESD7,wasreleasedforuseonthe Fortus400mcand900mcplatforms.AlsoinJuly2011,3DSystems purchasedtheparametricCADsoftwarecompanyAlibre,Inc.(Richardson, Texas).3DSystemshadpreviouslypartneredwithAlibretoofferaCAD and3Dprinterbundle.TheASTMInternationalCommitteeF42on AdditiveManufacturingTechnologiesreleasedthespecificationforits AdditiveManufacturingFile(AMF)format.Thenewformatsupports textures,functionallygradedmaterialinformation,color,curvedtriangles, andotherelementsnotsupportedbytheSTLfileformat. COPYRIGHT © 2014 21 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing InAugust2011,KelyniamGlobal(NewBritain,Connecticut)announced thatitwasshippingcustom‐madepolyetheretherketone(PEEK)skull implants.Stereolithographymodelsoftheskull,madefromCTorMRI medicalscandata,areprovidedtothesurgeontoallowforpre‐surgery planningwhilethePEEKimplantsarebeingmachined.Itisestimatedthat thiswillreduceoperatingroomtimebyupto85%.AlsoinAugust,Objet announcedthatRedingtonIndiawouldbeitsmasterdistributorforIndia. BuildatronSystems(NewYork,NewYork)announcedtheavailabilityof itsRepRap‐basedBuildatron13DprinterinSeptember2011.Thesingle‐ materialmachineisofferedasakitfor$1,200andasanassembledsystem for$2,000.Objetintroducedanewbiocompatiblematerial,MED610, whichcanbeusedwithallofitsPolyJetsystems.Therigidmaterialis targetedatthemedicalanddentalmarkets.Inthesamemonth,3D SystemsacquiredtheAustralianserviceproviderFormeroPty,Ltd.,a companywithoperationsinChina.3DSystemsreleasedtheProJet1500,a machinebasedonfilmtransferimaging,aswellastheBitsfromBytes 3DTouchproduct. IrishsheetlaminationsystemmanufacturerMcorTechnologiesunveileda newyearly,flat‐feeoptioninanattempttoexpanditsinstalledbase. Solidoodle(Brooklyn,NewYork)introduceditsRepRap‐basedSolidoodle 3Dprinterfor$699.ThefounderofSolidoodleisthepreviousCOOof MakerBot,SamCervantes. InOctober,ASTMInternationalandtheInternationalOrganizationfor Standardization(ISO)announcedacooperativeagreementbetweenASTM InternationalCommitteeF42andISOTechnicalCommittee261on AdditiveManufacturing.Theagreementwillreduceaduplicationofeffort. ASTMF42releasedastandardterminologyforcoordinatesystemsand testmethodologies.AlsoinOctober,3DSystemspurchasedDutchservice providerKemoModelmakerijB.VandreleasedtheUSPclassVImaterial VisiJetClearforuseintheProJet6000.Fabrisonic,LLCintroducedanew lineofultrasonicadditivemanufacturingequipmentthesamemonth. FabrisonicisajointventurebetweenSolidica(AnnArbor,Michigan)and EWI(Columbus,Ohio). EOS(Germany)announcedthatithadsurpassed1,000installedlaser‐ sinteringmachinesinNovember2011.EarlyinNovember,3DSystems announcedthepurchasethephotopolymerbusinessandDigitalisAM machineassetsofHuntsmanCorp.(TheWoodlands,Texas).Laterinthe month,3DSystemsannouncedthatitwouldacquire3Dprinter manufacturerZCorp.(Burlington,Massachusetts),apurchasethatwas financedthrough$152millioninseniorconvertiblenotes. ArcamannounceditsexpansionintoAsiawithasupportoperationin China.Objetreleaseditsfirsthigh‐temperaturematerial,RGD525,foruse initsConnex500andEden500Vsystems. InNovember2011,StratasysextendeditsWaterWorkssolublesupport materialtoworkwithitspolycarbonatebuildmaterial.Tinkercad (Finland)raised$1millioninseedfundingtocontinuedevelopmentofits web‐baseddesignsoftwareandprintingservice.The3Dcontentandon‐ COPYRIGHT © 2014 22 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing demandservicescompanyShapeways(NewYork,NewYork)announced itsplanstoopenamanufacturingfacilityjustoutsideofNewYork. Kraftwurx(Houston,Texas)unveileditsonlinedigitalmanufacturingand socialnetworkthatallowsuserstobuyandsellonlinedigitalcontentand havepartsprintedandshippeddirectlytoconsumers. AtEuroMold,SLMSolutionspresenteditsSLM280HL,whichhasabuild heightof350mm(13.8inches).ArkemalauncheditsNylon11‐based RilsanInventNaturalmaterialforlasersintering.Asiga(AnaheimHills, California)releaseditsFreeformPico,asmallUVLEDmachinefor$6,990. Itfeatureslayersasthinas1micron(40micro‐inches)andapixelsizeof 33microns(0.0013inch).CRPTechnology(Italy)announcedWindform GF2.0,aglassbead‐andaluminum‐filledpolyamide.3DSystemsunveileda smallerfilmtransferimaging3Dprinter,theProJet1000,for$10,900.Also atEuroMold,Matsuura(Japan)displayedahybridmachinetargetedat toolingapplications.TheLUMEXAvance‐25combinesmetallasersintering andCNCmachining. InJanuary2012,MakerBot(Brooklyn,NewYork)releasedtheMakerBot Replicator,withalargerbuildvolumethanitspredecessor,for$1,749.A secondextruderheadoptionisavailabletorunmultiplecolorsofABSor PLA.3DSystemsannouncedasub‐$1,300,single‐material,consumer‐ oriented3DprintercalledtheCube.Themachinehaswireless connectivity,and3Dmodelsthatcanbedownloadedfrom3DSystems’ digitaldesignlibrary.TheDepartmentofDefenseplaceda$1millionorder withStratasysforitsuPrint3DprinterstosupportDoD’sSTARBASE program.Itaimstoexposeat‐riskyouthtoscience,technology, engineering,andmathandtheroleofAMinadvancedmanufacturing technology. EasyClad(France)introducedtheMAGICLF600large‐frameAMmachine inFebruary2012.Withalargebuildvolumeanduptotwoindependent5‐ axiscontrolleddepositionheads,themachinecanbeusedfortooling, repair,andfunctionallygradientmaterialdeposition.3DSystems announcedPrint3D,aplug‐inforCADprogramssuchasSolidworksand Pro/Engineer.Itgivesdynamicpartcostingforpartsandassemblies through3DSystems’ProPartsserviceorganization.Thecompanyalso releasedZoom,afast‐curephotopolymerfortheProJet1500filmtransfer imagingprinters. InMarch2012,BumpyPhoto(Portland,Oregon)launchedcolor3D‐ printedphotoreliefs.Startingwithadigitalphotograph,a3Dheightfield isgeneratedwithoperatorinputandthenprintedin24‐bitcolorona ZPrinter.Pricesstartat$79fora3Dphotoand$89fora3Dcutout.The foundersofMakerBotappliedforthreeseparatepatentsdescribinga conveyor/transportsystemforthecontinuousoperationofa3Dprinter. Inthesamemonth,StratasysandOptomecdisplayedaparthighlighting thecombinationofanFDM‐printedwingstructurewithconformal electroniccircuitsprintedusingOptomec’sAerosolJettechnology. InApril2012,StratasysandObjetannouncedtheirintentiontomerge.The combinedcompanywillbecalledStratasysLtd.,andwillhavedual headquartersinEdenPrairie,MinnesotaandRehovot,Israel.Theall‐stock COPYRIGHT © 2014 23 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing transactionisexpectedtoresultinacompanyvaluedat$1.4billion.David Reis,currentCEOofObjet,willbetheCEOofthemergedcompany,while ScottCrump,currentCEOofStratasys,willserveaschairman. AlsoinApril2012,3DSystemspurchasedtheserviceproviderParamount Industries(Langhorne,Pennsylvania)andtheonlinedigitalcontent providerMyRobotNation.EOSfiledaU.S.patentinfringementsuitagainst PhenixSystems(France)topreventthemarketinganddistributionofthe PhenixequipmentintheU.S.Aseriousindustrialaccidenttookplaceatan Evonik(Germany)plantthatmakesacriticalcomponentforpolyamide12 laser‐sinteringpowders.Themanufacturingdisruptioncouldresultin supplychainissuesthroughtheendof2012. Justfivemonthsafterintroducingitsfirst3Dprinterfor$699,Solidoodle announceditssecond‐generationmachinefor$499inApril.TheAdditive ManufacturingUser’sGroup(formerly3DSUser’sGroup)heldits conferenceinCostaMesa,California.Withtheopeningofthegroupto usersofallAMtechnologies,attendancemorethandoubledover2011. StratasysintroduceditsnewMojo3DprinterinMay2012.Thesystem, engineeredfromthegroundup,combinestheextrusionheadandmaterial intoasingleconsumableprintengine.Thenewdesignhaseliminatedthe needtoreplacetipsandheads,whichcanbeexpensive.TheMojoPrint Packispricedat$9,900andincludestheMojoprinterwithbuildtrays,the WaveWash55supportremovalsystem,andtwoPrintEngines(onebuild andonesupport). May 2012 through October 2012 COPYRIGHT © 2014 InMay2012,Objet(Israel)releasedtheObjet30Pro,asub‐$20,000 machinecapableofrunningsevendifferentObjetmaterials,includingthe transparentVeroClear.Solidscape(Merrimack,NewHampshire) announcedthatitsoldits1,000thT76Pluswax‐based3Dprinter.Atthe RAPID2012event,DeltaMicroFactoryCorp.(China)releaseditsnew UP!Mini,whichfeaturesaheatedenclosure.3DSystemsacquired FreshFiber(Netherlands),anonlineconsumergoodswebsite,and BespokeInnovations(SanFrancisco,California),whichdesignscustom fairingsforprostheticlimbs.3DSystemsalsoreleasedtheProJet7000 stereolithographymachine.TheDesktopFactoryCompetitionwasalso announcedinMay.Entrantscompetedfora$40,000prizeawardedby theKauffmanFoundationtocreateaninexpensive,open‐sourceABSand PLAfilamentextruder. InJune2012,EOS(Germany)andCooksonPreciousMetals(UK)createda partnershiptodeveloppreciousmetalalloysforcreatingjewelryinEOSM seriesmachines.MCorTechnologies(Ireland)releaseditsIrisfull‐color, paper–based,sheetlaminationsystem.Shapeways(NewYork,NewYork) announcedthatithadreceivedanadditional$6.1millioninventure capitalfunding. InJuly2012,Solidscapeintroducedthe3Zlineofhigh‐precisionwax3D printers.Italsoreleasedastrongerbuildmaterial,3ZModel,anda dissolvablesupportmaterial,3ZSupport.3DMTP(IsraelandBethesda, Maryland)announcedacloud‐basedserviceforautomatically manipulatingarchitecturalmodelsfor3Dprinting.3DSystemsacquired 24 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 November 2012 to May 2013 COPYRIGHT © 2014 History of Additive Manufacturing ViztuTechnlogies(Cambridge,Massachusetts)anditsHypr3Dsoftware thatcreates3Dmodelsfromphotos. StratasysandHPagreedtodiscontinuetheirmanufacturingand distributionagreementinAugust2012.HPhadsoldStratasysequipment undertheHPnameinEurope.AlsoinAugust,theU.S.government announcedthewinningteamfortheNationalAdditiveManufacturing InnovationInstitute(NAMII).Thepublic–privatepartnershipwasfunded with$30millionoffederalfundingandanadditional$39Mprovidedas costshare,mostlyfromindustryandthestatesofOhio,Pennsylvania,and WestVirginia. InSeptember2012,ExOne(Irwin,Pennsylvania)introducedthemid‐ rangebuildvolumeFlexPlatform,whichisuptotentimesfasterthanits predecessor.MakerBotIndustries(Brooklyn,NewYork)announcedits Replicator2and2Xplatforms.Forthesenewmachines,MakerBotchoseto moveawayfromopen‐sourcecapabilitytoproprietarycontrol.Mcor introducedthelowcost,non‐colorMatrix300+machine.Alsoin September,SigmaLabs,Inc(SantaFe,NewMexico)releasedits PrintRite3Dhardwareandsoftwaretoolsforqualifyingprocessesand certifyingaerospacepartsproducedinmetalAMprocesses.Envisiontec (Germany)announcedtwonewABS‐likematerials,ABflexandABStuff. CRPTechnology(Italy)releasedacarbon‐filledpolyamide,WindformSP, whichoffersbetterelongationthantheWindformXTcarbonfiber‐filled material. Formlabs(Cambridge,Massachusetts)introduceditssub‐$3,000laser‐ basedvatphotopolymerizationsystem,theForm1,onKickstarterin September2012.Itraisednearly$3millioninfundingandmachine purchasecommitments.Soonafter,3DSystemsfiledapatentinfringement lawsuitagainstFormlabsandKickstarter.Formlabsbeganshipmentsin May2013. InOctober2012,3DSystemspurchasedInus(SouthKorea),themakerof RapidFormscandatamanipulationandfeaturerecognitionsoftware.It alsoannouncedthereleaseofitsVisiJetJewelmaterial,alowashcontent castingpatternmaterialforuseintheProJet6000and7000machines. Shapewaysdetailedthe“FactoryoftheFuture”plannedforitsNewYork, NewYorkmanufacturingfacility.Thefactoryisexpectedtohouseupto50 AMmachinesandwillbeabletoprintfivemillionproductsayear. StratasysaddedblackULTEM9085toitsmateriallineup. Solidoodle(Brooklyn,NewYork)releasedtheSolidoodle3Dprinter, sellingfor$499,inNovember2012.Materialise(Belgium)released Magics17,thelatestversionofitssoftwarethatiswidelyusedintheAM industry.3DSystemsreleaseditsVisiJetPearlStonematerialforthe ProJet3500seriesaimedatdentalapplications.Staplesannouncedit wouldoffercolor3DprintsusingMcorIrismachinesatsomestoresand onlineinpartsofEurope.GEAviationpurchasedMorrisTechnologies anditssistercompanyRapidQualityManufacturing.Theacquisitionwas significantbecausethetwocompanieshadmorethan20metal‐based machines. 25 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing AtEuroMold,Objetlauncheditslarge,wide‐formatObjet1000system.The systemiscapableofPolyJetmulti‐materialprintingfoundintheConnex lineofequipment.Voxeljet(Germany)showeditsnovel,continuousprint VXC800machine.Ratherthanprintingontoahorizontalsurface,the VXC800printsonanangledbuildplanethattranslatesonahorizontal conveyoruntilitexitsthemachine.Thiscouldconceivablyallowfor unlimitedpartlengthandcontinuousoperation.EOSreleaseditsFormiga P110laser‐sinteringmachineandannouncedtwonewlaser‐sintering materials:PrimePartPlus,withsuperiorrecyclability,andpolyamide11‐ basedPA1101.3DSystemsreleasedtwonewhigh‐resolution,largebuild areaProJetmachines,theProJet3500HDMaxandProJet3500CPXMax.It alsointroducedanewABS‐likematerialfortheProJet3500series, VisiJetX. InDecember2012,OrgonovoHoldings(SanDiego,California)and Autodesk(SanRafael,California)announcedacollaborationtocreatethe first3Dbioprintingsoftware.Thefirsttestfor3D‐printedtissueswillbe onOrgonovo’sNovoGenMMXbioprinter.StratasysandObjetcompleteda much‐anticipated,long‐delayedmerger.Itisoneofthelargestmergersin thehistoryofadditivemanufacturing.Ultimaker(Netherlands)announced theavailabilityofitsfullyassembledUltimaker3Dprinter.Previously,it wasonlyavailableinkitform. TheUnitedStatesPatentandTrademarkOfficehostedanAdditive ManufacturingPartnershipmeetinginJanuary2013.3DSystems purchasedGeomagic(Morrisville,NorthCarolina),ascandata manipulation,inspection,andmodelingsoftwarecompany,andtheFrench onlinecontentcompanyCoweb.3DSystemsalsoreleasedtheCubeXmulti‐ head3Dprinter.Optomec(Albuquerque,NewMexico)releasedanew, high‐resolutionmeltpoolthermalimagingcapabilityforitsLENS equipment.DM3DTechnology(AuburnHills,Michigan)purchasedPOM Group,whichhaddevelopedthedirectmetaldepositionprocessand equipment. InearlyFebruary2013,theinitialpublicofferingofExOneopenedwith thesale5.3millionsharesat$18pershare,raisingover$95million.The companyistradedonNASDAQasXONE.3DSystemsannouncedathree fortwostocksplit.OxfordPerformanceMaterials(SouthWindsor, Connecticut)receivedFDA510(k)approvalforitsOsteoFabpatient‐ specificcranialimplants.Envisiontecreleasedthe3Dentprinter,targeting thedentallabmarket.Fabulonia(Estonia)unveiledanewonlinecapability forartistsanddesignersthatissaidtoofferintellectualproperty protectiontothedesigners.Fabuloniaplansfortheportaltobeprinter independentandallowforseverallevelsofcopyrightprotection. Arcam(Sweden)releaseditsArcamQ10machine,whichspecifically targetsthemedicalimplantmarket,inMarch2013.ItreplacestheArcam A1.MakerBotandAutodeskenteredintoanagreementtojointlymarket theReplicator2withAutodesk123Dsoftware.Materialiseannouncedthe HeartPrintservice,whichcanprintpatient‐specificcardiovascularmodels foruseinpre‐surgeryplanningandmedicaldevicetesting. COPYRIGHT © 2014 26 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 Other developments History of Additive Manufacturing InApril2013,VoxeljetacquiredGlobalTCT,AUKserviceprovider.The AdditiveManufacturingUser’sGrouphelditsannualmeetingin Jacksonville,Floridawithover370attendees.3DSystemsintroducedits ProJetx60familyofmachinesbasedontheZPrintercolormachines originallydevelopedbyZCorp.Shapewaysreceived$30millionin investmenttoincreaseitscapabilitiesinprintingequipmentand manpower.RapidManufactorybecamethefirstserviceprovidertoopenin Lebanon,offering3Dscanning,modeling,andlasersintering. Anestimated3,000peopleattendedthefirstInside3DPrintingconference andexpositioninAprilattheJavitsConventionCenterinNewYork,New York.AdditionalInside3DPrintingeventswereannouncedforChicago, Illinois;SanJose,California;Singapore;andMunich,Germany. 3DSystemsacquiredtheserviceproviderRapidProductDevelopment GroupinMay2013.AlsoinMay,Staplesbegansellingthe3DSystemsCube machineonlineandinselectstoresintheU.S. Severaltechnologiesandcompanieshaveemergedandvanishedover theyears,includingLightSculpting(U.S.),SparxAB(Sweden),Laser3D (France),BMT(Germany),Röders(Germany),SchroffDevelopment (U.S.),DesktopFactory(U.S.),andChubunippon(Japan).Allofthemhave developedAMsystems,buthavehadlittleornocommercialimpact. FewmachinesfromAsiaareavailableforsaleintheU.S..Oneofthefew exceptionsisthelow‐costUP!3DprinterfromDeltaMicroFactoryCorp.of Beijing,China.ThestereolithographymachinesfromSonysoldintheU.S. fromQ42002toQ22006.KiraCorporationsolditspaperlamination machinesintheU.S.forashortperiodbeginninginJanuary2001. Early research and development by Terry Wohlers Thefirstattempttocreatesolidobjectsusingphotopolymersusingalaser tookplaceinthelate1960satBattelleMemorialInstitute.Theexperiment involvedintersectingtwolaserbeamsofdifferingwavelengthinthe middleofavatofresin,attemptingtopolymerize(solidify)thematerialat thepointofintersection.Thephotopolymerresinusedintheprocesswas inventedinthe1950sbyDuPont. In1967,WynK.SwainsonofDenmarkappliedforapatenttitledMethod ofProducinga3DFigurebyHolographyonasimilarduallaserbeam approach.Subsequently,SwainsonlaunchedFormigraphicEngineCo. (Bolinas,California)inhopestofurtherdevelopandeventually commercializehistechnology.Reportedly,workwasstillunderwayin 1994,althoughitneverledtoacommerciallyavailablesystem. Intheearly1970s,FormigraphicEngineCo.usedthedual‐laserapproach inthefirstcommerciallaser‐prototypingproject,aprocessitcalled photochemicalmachining.In1974,Formigraphicdemonstratedthe generationofa3Dobjectusingarudimentarysystem.Later,Formigraphic becameOmtecReplication,apparentlyatatimewhenanalliancewas formedwithBattelle(Columbus,Ohio).Dr.RobertSchwerzel,thenwith COPYRIGHT © 2014 27 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 Development of stereolithography Work in the U.S. and France COPYRIGHT © 2014 History of Additive Manufacturing Battelle,ledthedevelopmentofsimilartechniqueswiththehelpofDARPA funding.Co‐developerDr.VincentMcGinnisswasoneoftheteam membersemployedbyBattelle. Inthelate1970s,DynellElectronicsCorp.wasassignedaseriesofpatents onsolidphotography.Theinventioninvolvedthecuttingofcrosssections bycomputercontrol,usingeitheramillingmachineorlaser,andstacking theminregistertoforma3Dobject.DynellmergedwithUnited TechnologiesCorp.inlate1977.Asaresult,anindependentcompany calledSolidPhotographywasformedandanaffiliatedretailoutletnamed SculpturebySolidPhotographywasopened.Inmid‐1981,Sculptureby SolidPhotographychangeditsnametoRoboticVision.SolidPhotography andanothercompany,SolidCopier,operatedassubsidiariesofRobotic Visionatleastuntilmid‐1989. HideoKodamaoftheNagoyaMunicipalIndustrialResearchInstitute (Nagoya,Japan)wasamongthefirsttoinventthesingle‐beamlaser curingapproach,accordingtoseveralsources.InMay1980,heapplied forapatentinJapan,whichlaterexpiredwithoutproceedingtothe examinationstage,arequirementoftheJapanesepatentapplication process.Kodamaclaimedtohavedifficultyinsecuringfundsfor additionalresearchanddevelopment. InOctober1980,KodamapublishedapapertitledThree‐DimensionalData DisplaybyAutomaticPreparationofaThree‐DimensionalModelthat outlinedhisworkindetail.HisexperimentsconsistedofprojectingUV raysusingaToshibamercurylampandaphotosensitiveresincalled TevistarmanufacturedbyTeijin.Themethodinvolvedblackandwhite filmusedtomaskandcontroltheregionofexposure,correspondingto eachcrosssection.Thepaperalsodiscussestheuseofanx‐yplotterdevice andopticalfibertodeliveraspotofUVlight.CMETusedaversionofthis techniqueinitsSOUP530,600,and850machines. KodamapublishedasecondpaperinNovember1981,titledAutomatic MethodforFabricatingaThree‐DimensionalPlasticModelwithPhoto Hardening. InReviewofScientificInstruments,Kodamadescribesthreebasic techniquesheusedtocreateplasticpartsbysolidifyingthin,consecutive layersofphotopolymer.Inthepaper,Kodamaclaims,“Ifthesolidified layerisimmersedintotheliquidwiththetopatadepthequaltothe thicknessofthelayertobesolidified,itstopsurfaceiscoveredwith unsolidifiedliquidpolymer,”essentiallydescribingakeyelementofthe stereolithographyprocess.Kodama’sexperimentswiththethree techniqueswereperhapsthefirstevidenceofworkingadditive manufacturing(AM)techniquesintheworld. InAugust1982,AlanHerbertof3MGraphicTechnologiesSector LaboratorypublishedapapertitledSolidObjectGenerationinthe JournalofAppliedPhotographicEngineering.Inthispaper,Herbert describedasystemthatdirectsanArgonIonlaserbeamontothesurface ofphotopolymerbymeansofamirrorsystemattachedtoanx‐ypen plotterdevice.Withthesystem,Herbertwasabletocreateseveralsmall, 28 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 Formation of 3D Systems History of Additive Manufacturing basicshapes.Theprimarypurposeofthework,however,wastodevelop anunderstandingoftherequirementsofarealsystem,accordingto Herbert. In1989–1990timeframe,WohlersAssociatesreceivedahandwrittennote fromAlanHerbert,attachedtoacopyofhis1982paper,sayingthat, unfortunately,hiscompanyelectednottocommercializehiswork.Hewas apparentlyverydisappointedwith3M’sdecision.Hisinterestinthe developmentofAMtechniquescontinued,asindicatedbyhisAugust1989 papertitled“AReviewof3DSolidObjectGeneration”publishedinthe JournalofImagingTechnology. InJuly1984,Jean‐ClaudeAndre,nowwiththeFrenchNationalCenterfor ScientificResearch(CNRS)inNancy,France,andcolleaguesworkingfor theFrenchCilasAlcatelIndustrialLaserCompany,filedapatenttitled ApparatusforFabricatingaModelofanIndustrialPart,involvingasingle‐ beamlaserapproach.TheFrenchpatentwasgrantedinJanuary1986. Laser3D,alsoofNancy,France,triedtocommercializethetechnique outlinedinthepatentonaservicebasiswithnoplanstosellsystems. Inthelate1980s,Andreexploredthedual‐beamapproach.Hefoundthat manyproblemsexistedwithit,yetateamatCNRScontinuedtoresearch thetechnique.AndreledthedevelopmentofstereolithographyatCNRSfor Laser3D. InAugust1984,CharlesHull,co‐founderandchieftechnicalofficerof3D Systems(atthattime,inValencia,California),appliedforaU.S.patent titledApparatusforProductionofThree‐DimensionalObjectsby Stereolithography,whichwasgrantedinMarch1986.Atthetimeofthe patentapplication,HullwasworkingforUVP,Inc.(SanGabriel, California)asvicepresidentofengineering.InMarch1986,Hulland RaymondFreedco‐founded3DSystemsInc.AccordingtoAlanHerbert, publishedillustrationsshowimpressivedetailedpartsproducedby Hull’searlysystem,muchmoresothanthoseshownbyKodamaor himself. Hull’s1986patentdescribesaprocessofphoto‐hardeningaseriesofcross sectionsusingacomputer‐controlledbeamoflight.Alsoin1986,Yehoram Uziel,thenofOperatech(Israel)hadinventedabasicmachineresembling stereolithography.UzielhadreadaboutHull’swork,sohetraveledtothe U.S.tovisithimandRayFreed.InJanuary1989,hejoined3DSystemsas vicepresidentofengineering.Inlate1987,3Dshippeditsfirstbetaunits tocustomersitesintheU.S.,followedbyproductionsystemsinApril1988. Thesewerethefirstcommercialadditive‐manufacturingsystem installationsintheworld. Uzielleft3DSystemsin1991toformSoligen,Inc.(Northridge,California). AroundthetimeUzielfoundedSoligen,helicensedMIT’sinkjetprinting techniqueforexclusiveuseinthemetal‐castingindustry.Soligenused MIT’stechnologyinitsDirectShellProductionCasting,aprocessthat createdceramicinvestmentcastingshells(molds)byadheringtogether thinlayersofceramicpowdermaterialusingdropletsofliquidbinder. Soligenwentoutofbusinessin2006. COPYRIGHT © 2014 29 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 Osaka Prefectural Industrial Research Institute COPYRIGHT © 2014 History of Additive Manufacturing In1986,Hullwasnottheonlyonewithpatentactivityonhismind.The sameyear,TakashiMoriharaofFujitsuLtd.patentedtwoelementsof stereolithography.Oneoftheminvolvedpassingabladeoverthesurface ofanewlayerofresintospeedthelevelingofthelayer.Thistechniqueis especiallyimportantwhentheresinisviscous.Formanyyears,3D SystemsusedthislevelingtechniqueinitsSLAfamilyofstereolithography products.AnotherapproachdevelopedbyMoriharainvolvedthe dispensingoftheresinfromaslotmovingabovethesurfaceoftheresin. Fromearly1990toearly1992,QuadraxLaserTechnologies(Portsmouth, RhodeIsland)usedthisresindepositiontechniqueinitsfastresin applicator,afeaturecontainedinitsMark1000stereolithography machine. QuadraxdevelopedandsoldtheMark1000systemuntilFebruary1992, whenitstechnologywasacquiredby3DSystemsafterpatentlitigation thatbeganinSeptember1990.Underthetermsofthesettlement,Quadrax transferreditslasermodelingpatent(grantedinDecember1991)and relatedtechnologyto3Dinexchangefor130,000sharesof3Dcommon stock.Atthetime,thestockwasworthabout$325,000.Aspartofthe agreement,QuadraxwasrequiredtodiscontinuemarketingitsAMsystem. FormeremployeesofLaserFareLtd.(Smithfield,RhodeIsland)developed someofQuadrax’soriginaltechnologyandlaterbecameemployeesof Quadrax.LaserFaresoldthetechnologyrightstoQuadraxin1990. In1984,YojiMarutanioftheOsakaPrefecturalIndustrialResearch Institute(OPIRI),alsoreferredtoastheOsakaInstituteofIndustrial Technology,developedanddemonstratedastereolithographyprocess. It’snotclearwhetherhisworkwasconnectedwithKodama’searlywork, althoughthere’saverygoodchancethatMarutaniatleaststudied Kodama’sMay1980patentapplicationandhisOctober1980and November1981technicalpapers.It’salsopossiblethatMarutani obtainedacopyofHerbert’s1982paper,butit’sdoubtfulthatMarutani knewaboutHull’sandAndre’sworkin1984. Marutani’spatentdocument,titledOpticalMoldingMethod,datedMay23, 1984,describeshisinventionindetail.Thedocumentdescribesmanykey elementsofstereolithography,includingtheuseofphotocurableliquid material,focusingraysoflightontothesurfaceoftheliquidresinand presentingafreshlayerofmaterialontopofthehardenedlayer. Marutanicontinuedhisresearchanddevelopmentofstereolithography,at leastuntilmid‐1987.InapaperdatedAugust7,1987,TakashiNakaiand YojiMarutaniexplainedthattheyhaddevelopedanewtypeofsystemfor constructing3DmodelsusingaUVlaserandliquidpolymer.Ratherthan discussingthedevelopmentofanewtypeofsystem,however,thepaper discussesrefinementstoalreadyknownprocesses—refinementsthat increasespeedanddimensionalaccuracy.Atthetimeofpublication,both NakaiandMarutaniwereworkingintheDepartmentofElectronicsatthe OPIRI.Kodama’s1981paperandHerbert’s1982paperwereincludedas references.ItisbelievedthatMarutaniisstillinvolvedwithAMtoday. 30 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 Commercialization of OPIRI technology Sony and Mitsui enter the picture History of Additive Manufacturing OPIRI,operatedbytheMinistryofInternationalTradeandIndustry (MITI),licenseditsstereolithographytechnologytoagroupofJapanese companies,includingMitsubishiHeavyIndustries,NTTData Communications,AsahiDenkaKogyo,ToyoDenkiSeizo,andYAC. TogethertheyformedComputerModelingandEngineeringTechnology (CMET)todevelop,manufacture,andsellAMsystems.Theexact licensingdateisnotknown,althoughMitsubishiannouncedinJuly1988 thatitwouldsellastereolithographymachinedevelopedjointlywith OPIRI.Ithasbeendocumentedthatthesefivecompaniessupportedthe developmentandcommercializationofthetechnologyin1989,leading totheintroductionoftheSOUPsystemin1990.AdatedSOUPproduct brochure,publishedbyCMET,statesthatthe“producthadbeen developedontheinventionofOsakaPrefecturalIndustrialResearch Institute.” Mitsubishi,witha54%stake,wasresponsibleforplanningand development;NTTDataCommunications,with20%,wasresponsiblefor softwaredevelopment;AsahiDenkaKogyo,20%,photosensitiveresins; ToyoDenkiSeizo,3%,developmentofthex‐yplottermechanismand otherhardware;YAC,3%,precisionmachinemanufacturingtechnology. MitsubishiHeavyIndustriesreportedlyspent3billionyenonfurther developingtheOPIRItechnology.At40–50millionyenperunit,Mitsubishi reportedlysoldnineSOUPsystemsfromearly1989toearly1990. In1989,Design‐ModelandEngineeringCenter(D‐MEC)waslaunchedas ajointventurebetweenSonyandJapanSyntheticRubber(JSR).In April/May1989,D‐MECintroduceditsSolidCreationSystem(SCS)for 53millionyen.Thesystemwascapableofbuildingurethaneacrylate resinpartsupto1000x1000x750mminsizefromlayersatthinas50 microns(0.002inch).Accordingtoonereliablesource,thesystemwas developedbehindcloseddoorsanddetailsaboutitsoriginshavebeen keptquiet.Clearly,SonyhadknowledgeofOPIRIandCMET’stechnology, aswellasthetechnologydevelopedby3DSystems. 3DSystemsbegantoestablishapresenceinJapaninearly1988whenthe companyformedajointventurewithJapanSteelWorks,Ltd.(JSW),a Mitsuicompany.3DexecutivessignedtheagreementwithJSWinMarch 1988.Thenewcompany,JSW‐3DCo.,Ltd.(Tokyo),servedasasales, marketing,andserviceorganizationfor3DSystemsinJapan.SLA machinesweremadeavailabletotheJapanesebythethirdorfourth quarterof1988.Neartheendof1989,3Dterminatedtheagreementand formedawhollyownedsubsidiary,3DSystemsJapan. MitsuiEngineeringandShipbuildingCompanyannounceditsCOLAMM systeminMarch1991andintroduceditinJuly1991whenitoffereda seriesofintroductoryseminars.Mitsui’sapproachtostereolithographyis differentthanthesystemsfrom3DSystems,CMET,andSony/D‐MEC. Ratherthanbuildinguplayersfromthetop,alaserbeamispresented throughatransparentplateatthebottomofthebuildchamber.Eachnew layerofresinrestsbetweenthepreviouslycuredlayer(whichisabovethe resin)andthetransparentplate(whichisbelowtheresin).Witheachnew layer,thepartmovesupwardintoairspace,ratherthanbeingsubmerged inresin. COPYRIGHT © 2014 31 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing MitsuisoldoneunittoanautomobilemodelingcompanyinKyotoin December1991,buthasnotreportedanysalessincethen.Thecompany hadhopedforsalesof20–30unitsinfiscalyear1992.Theoriginal COLAMMsystem,equippedwithanengineeringworkstation,soldfor41 millionyen.ThecompanyworkedwithSanyoChemicalIndustriesto developanimprovedresinwithreducedshrinkproperties. InJanuary1989,MitsuiandNipponSteelannouncedtheirplanstoform ajointventurecalledPlamediaResearchCorp.Thecompanywoulddesign anddevelopmetalmoldsforproducingpartsmadefromplastics.It’snot clearwhetherthisventurewasrelatedtothedevelopmentofMitsui’sAM system. TheJune92issueofJetroexplainsMitsui’sAMapproach,verbatim,asa recentinventionbyprofessorsN.NakajimaandT.TakagioftheFacultyof Engineering,UniversityofTokyo.Accordingtothearticle,theprocesscan buildmechanicalpartswith8‐micron(0.00032‐inch)featuresatan accuracyof±1micron(0.00004inch).Yetthearticledoesnotmentionthe MitsuiCOLAMMsystem. Teijin Seiki enters with DuPont’s help COPYRIGHT © 2014 In1989,DuPontannouncedthedevelopmentofitsSomos1000Solid ImagingSystem,atechnologysimilarto3DSystems’SLA.Becauseof theirsimilarities,DuPontpetitionedtheU.S.PatentOfficeinSeptember 1988forareexaminationofHull’s1986patent.DuPontmadethePatent OfficeawareofKodama’spublications,aswellasthoseofothers.Seven monthslater,thePatentOfficetold3DSystemsthatithadrejectedall claimsinHull’spatent.ThiswasaboutthetimeDuPontchosetogo publicwithitsSomossystem,whichoccurredaroundJune1989.Inlate 1989,theU.S.PatentOfficereverseditsdecisionafter3DSystems producedstrongevidencetosupporttheclaimsinHull’spatent,but requiredtheadditionofnewlanguagethatnarroweditsscope.Thiswas aturningpointforDuPont. TeijinSeikiacquiredDuPont’sSomosstereolithographytechnology throughalicensingagreementinlate1991.InMarch1992,atthe OptomechatronicsShow’92,TeijinSeikiannouncedtheavailabilityofits SoliformAMsystemfor50millionyen.Themachinewasanenhanced versionofDuPont’soriginalSomossystem,accordingtoTeijinSeiki.With itsimpressivelaserdrawspeedofupto2,400cm(945inches)persecond, thecompanyconsidereditasecond‐generationAMsystem.TeijinSeiki hadintroducedtwoversionsofitsSomostechnology,theSoliform300 (300‐mmbuildchamber)andtheSoliform500(500‐mm),andhadmade themavailableforsaleinAsia. TeijinSeikiobtainedtheexclusiverightstomanufactureandsellDuPont’s Somostechnology,althoughitwaslimitedtoAsia.TheJapanesecompany paidapproximately700millionyentoobtainthelicense,includingthe system’sblueprints,operatingknowledge,andpatentandsalesrights. AftersecuringtheSomostechnology,TeijinSeikimoved10researchers fromtheelectromechanicaldevelopmentdepartmentofitsIwakuniplant toitKanagawaScienceParklaboratoriestoworkontheSomosproject.In 1991,Teijinprojectedannualsalesof10billionyenin3–4years. 32 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 Others jump in Non-stereolithography approaches COPYRIGHT © 2014 History of Additive Manufacturing In1989,DuPontfiledseveralpatentapplicationsrelatedto stereolithography.Fourofthemconcentratedonphotopolymer developments.Inthemid1990s,DuPontsuppliedresinstoTeijinSeiki, ElectroOpticalSystems(Germany),andusersof3DSystems’SLA250and SLA500models. Inearly1989,HansJ.Langer,formallyofGeneralScanning(German branch),andafewassociatesstartedElectroOpticalSystems(EOS).By mid‐1990,BMWordereditsfirstsystemfromEOS,andlaterasecondfor aboutDM1million.EuropeanTechnologyHolding,aventurecapital companyinAmsterdam,providedthebasicfinancialsupportforLanger togointobusiness.LangeralsosecuredDM1millionfromtheGerman FederalGovernment’sprogramforyoungtechnologyentrepreneurs. Betweenmid‐1991andJuly1993,EOShadshipped15STEREOS stereolithographysystemstositesinEuropeandJapan.Another customer,HitachiZosenInformationSystems,hadbeguntomarketthe EOSsysteminJapan. In1991,NisseiSangyoCompanyannouncedtheavailabilityofanAM product,acombinationofelementsfromMatsuoSangyoand3DSystems Japan.Duringthefirstyear,NisseiSangyoexpectedtosell15units,priced atabout100millionyen.Littleisknownaboutthisdevelopment. Inearly1993,DenkenEngineering(OitaCity,OitaPref.,Japan)and AutostradaCorp.jointlyintroduceda7.8millionyenstereolithography systemcalledtheSolidLDPlotterSystem,SLP‐3000.Theunitusesvisible lightandalaserdiode,ratherthanexpensivelasersusedinother stereolithographysystems.AccordingtoDenken,theoverallsizeofthe SLP‐3000issmallcomparedtocompetitivesystems,yetitiscapableof producingpartsupto200x400x300mm(about8x16x12inches).The companyhopedtosellabout50unitsperyear,manygoingtoJapanese governmentlabs. WhiletheJapaneseconcentratedonthestereolithographyprocess, companiesandindividualsintheU.S.andIsraelweredevelopingother approachestoadditivemanufacturing. InJune1986,ItzchakPomerantz,founderandformerpresidentofCubital (Raanana,Israel),filedforanIsraelipatent.Atthetime,Pomerantzwas workingforScitexCorporation,anIsraelicompanythatownedasmall percentageofCubital.Pomerantz’patent,titledThree‐Dimensional MappingandModelingSystem,laidthegroundworkfortheSolider5600, whichCubitalintroducedinJuly1987.InMay1988,Cubitaland3D Systemscross‐licensedcertainpartsoftheirtechnologiestominimizethe possibilityofsubsequentlegalconflicts. In1986,RussianimmigrantDr.EfremFudimofLightSculpting (Milwaukee,WI)offeredoneofthefirstcommerciallyavailablepart‐ buildingservicesusinganAMtechnologyheinvented.Hissystemprojects afloodoflightfromaUVlampthroughamaskontothesurfaceof photopolymer.ThismaskapproachwassimilartoCubital’sphotomask, althoughCubitalhadautomatedtheprocess.WithFudim’ssystem, 33 WOHLERS ASSOCIATES, INC. Wohlers Report 2014 History of Additive Manufacturing individualmaskswereproducedonaGerberphotoplotterandmanually positionedoverthebuildchamberforeachnewlayer.Thislaborintensive, time‐consumingapproachdidnotwintheheartsofbuyers.Consequently, Fudimdidnotsellasinglesystem. MissingfromFudim’smachinewasafastwaytotransferthecrosssection informationtothebuildchamber.InOctober1991,SanyoElectricapplied forapatentinvolvingaflatLCDpanelasamaskthroughwhichUVlight wouldshineontothesurfaceofphotopolymer.Tests,however,indicated thattheUVlightwoulddeterioratetheliquidcrystal,shorteningits effectivenesstohours.Fudimhadalsoconsideredthisapproach. COPYRIGHT © 2014 34 WOHLERS ASSOCIATES, INC.