4 3 2 1 D D Notes on lettering: All inside corner radii are 0.0325. All cuts forming the letters are 0.065 wide. (The letters are formed as if the center were traced by an 0.065 cutter.) Cut extends to bottom of piece. .05 .065 (TYP) C 90° .11 1.16 1.16 .97 .97 .74 .64 .54 C .31 1.26 R.03 (TYP) .21 .54 .31 29° .76 .74 .11 .03 .03 .16 (TYP) .21 (TYP) B B DRAWN markchilenski 12/7/2013 CHECKED QA A MFG TITLE A MIT Geiger Counter Top APPROVED SIZE C SCALE 4 3 2 REV DWG NO Serpac_052C_top SHEET 1 1 OF 1 MIT OpenCourseWare http://ocw.mit.edu 22.S902 Do-It-Yourself (DIY) Geiger Counters January IAP 2015 For information about citing these materials or our Terms of Use, visit: http://ocw.mit.edu/terms .