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CAD & Rapid Prototyping by 3-Dimensional Printing (3DP TM )

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CAD & Rapid Prototyping by 3-Dimensional Printing (3DP TM )

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  1. CAD & Rapid Prototyping by 3-Dimensional Printing (3DPTM) Rapid Toolers: Jordan Medeiros Stephanie Silberstein Hannah Yun

  2. Recap: Our Task • Utilize 3D CAD software (Solidworks) and 3D printing • Explore modern research fields and apply this technique • Settle on a project idea!

  3. Gantt Chart

  4. Tetrakaidecahedra • 14 faces: • 6 squares • 8 hexagons • Packs to fill space • Many optimal characteristics, possible application for bone replacement

  5. J. Biomed Res. Mat. 52, 631-638, 2000 Original (Ideal) Plan • Research the ideal metal/material • Construct model as close to scale as possible • Test mechanical properties BUT…THERE IS A PROBLEM!

  6. J. Biomed Res. Mat. 52, 631-638, 2000 Problems • Nearly impossible to cast at such a small scale (~ 100 microns) • Impossible to 3DP and cast such intricate structure with a metal

  7. 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?

  8. Progress… • Consulted various professionals in the field • Prof. Lorna Gibson • Prof. Sam Allen • 3.042 Instructors • Research in pertinent literature • Available 3DP facilities? • Solidworks!

  9. Gantt Chart

  10. Solidworks Progress

  11. Questions to Answer • Symmetries in the tetrakaidecahedron structure? • Isotropic/anisotropic properties? • What exactly makes this structure so special?