CAD & Rapid Prototyping by 3-Dimensional Printing (3DPTM)

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CAD & Rapid Prototyping by
3-Dimensional Printing
TM
(3DP )
Rapid Toolers:
Jordan Medeiros
Stephanie Silberstein
Hannah Yun
Recap: Our Task
 Utilize 3D CAD software (Solidworks) and
3D printing
 Explore modern research fields and apply
this technique
 Settle on a project idea!
10
-F
15 eb
-F
17 eb
-F
22 eb
-F
24 eb
-F
e
1- b
Ma
3- r
Ma
8- r
M
10 a r
-M
15 ar
-M
17 ar
-M
22 ar
-M
24 ar
-M
29 ar
-M
31 ar
-M
a
5- r
Ap
7- r
A
12 pr
-A
14 pr
-A
19 pr
-A
21 pr
-A
26 pr
-A
28 pr
-A
p
3- r
Ma
5- y
M
10 a y
-M
12 ay
-M
ay
Gantt Chart
Task 1: "Master" SolidWorks
1) Run through tutorials
2) Develop simple models
Task 2: Prototype Design
1) Choose Project
2) Research
3) Develop SolidWorks Model
4) Research Casting Resources
5) Cast
Task 3: Structural Analysis
1) Testing
2) Analysis
Task 5: Poster Board Prep
Tetrakaidecahedra
 14 faces:
 6 squares
 8 hexagons
 Packs to fill space
 Many optimal characteristics, possible
application for bone replacement
Original (Ideal) Plan
 Research the ideal
metal/material
 Construct model as close
to scale as possible
 Test mechanical
properties
J. Biomed Res. Mat. 52, 631-638, 2000
BUT…THERE IS A PROBLEM!
Problems
 Nearly impossible to
cast at such a small
scale (~ 100 microns)
 Impossible to 3DP and
cast such intricate
structure with a metal
J. Biomed Res. Mat. 52, 631-638, 2000
New Plan
 Theoretical vs actual mechanical
properties
 Variables:




Strut length
Orientation of structure
Material composition (if casting is possible)
Casting technique
 Tetrakaidecahedron vs diamond structure?
Progress…
 Consulted various professionals in the
field
 Prof. Lorna Gibson
 Prof. Sam Allen
 3.042 Instructors
 Research in pertinent literature
 Available 3DP facilities?
 Solidworks!
10
-F
15 eb
-F
17 eb
-F
22 eb
-F
24 eb
-F
e
1- b
Ma
3- r
Ma
8- r
M
10 a r
-M
15 ar
-M
17 ar
-M
22 ar
-M
24 ar
-M
29 ar
-M
31 ar
-M
a
5- r
Ap
7- r
A
12 pr
-A
14 pr
-A
19 pr
-A
21 pr
-A
26 pr
-A
28 pr
-A
p
3- r
Ma
5- y
M
10 a y
-M
12 ay
-M
ay
Gantt Chart
Task 1: "Master" SolidWorks
1) Run through tutorials
2) Develop simple models
Task 2: Prototype Design
1) Choose Project
2) Research
3) Develop SolidWorks Model
4) Research Casting Resources
5) Cast
Task 3: Structural Analysis
1) Testing
2) Analysis
Task 5: Poster Board Prep
Solidworks Progress
Questions to Answer
 Symmetries in the tetrakaidecahedron
structure?
 Isotropic/anisotropic properties?
 What exactly makes this structure so
special?
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