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Hello!

Hello!. I am Ryan Schmidt Research Scientist at Autodesk Research Head of the Design & Fabrication group I make 3D design tools Like m esh m ixer , the software we will be using today. What is a “3D Model”?. Virtual representation of a physical object

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Hello!

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  1. Hello! • I am Ryan Schmidt • Research Scientist at Autodesk Research • Head of the Design & Fabrication group • I make 3D design tools • Like meshmixer, the software we will be using today

  2. What is a “3D Model”? • Virtual representation of a physical object • Doesn’t necessarily look like the physical object • Representative shape / structure / etc

  3. 3D Models

  4. 3D Printing Fizgig’s Gargoyle, created by colinfizgig

  5. 2D Images - Pixels

  6. 3D Model - Triangles

  7. meshmixer • Made by Autodesk • www.meshmixer.com • Free for Windows and Mac OS X

  8. Action Bar Library Bar 3D Viewport PropertiesBar

  9. Loading a model in meshmixer .OBJ, .STL, .PLY, … .MIX

  10. Rendering • Turns 3D things into an image • “Camera into virtual world”

  11. Camera Controls • This is how you move around the virtual world • Analogy to physical camera • Pan • Zoom/Dolly • Tumble/Orbit/Turntable

  12. Pan / Translate “Moving”

  13. Zoom / Dolly “Scaling”

  14. Tumble / Orbit / Turntable “Rotating”

  15. Camera Controls in meshmixer

  16. How do we make the triangles?? • In 2D Images… • Manipulate individual pixels • Use filters, brushes, etc… • Can place triangles manually (crazy!) • This is how many artists work • Use higher-level tool

  17. Push-and-pull

  18. Smoothing / Fairing

  19. Booleans

  20. 3D Sculpting

  21. Dropping Parts

  22. Drop Part Tool

  23. Drop Part Tool

  24. Limitations If you see this, you can’t drop the Part there…

  25. Smoothing

  26. Smoothing Brush Tool

  27. Selection Tool

  28. Extrusions

  29. 1 2 1 2

  30. Smoothing 1 2

  31. Creating a Collar

  32. Select • Smooth Boundary • Extrude • Set Direction to Normal • Remesh • Smooth • Maximum smoothness

  33. Sculpting Brushes

  34. Exporting Models • Two formats • OBJ • Format for saving your model • STL • Format for sending to printer

  35. 3D Printing

  36. https://www.youtube.com/watch?v=8_vloWVgf0o

  37. Limits of 3D Printing • Print volume • Overhangs • Thickness

  38. Print Volume • Print Timeis proportional to 3D VolumeandSurface Complexity • To print in 30 minutes, your objects will have to be SMALL and FLAT

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