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Digitizing, Modeling, & 3D Printing for a Forensic Reconstruction of George Washington

Digitizing, Modeling, & 3D Printing for a Forensic Reconstruction of George Washington. Dianne Hansford. Let’s Discover. Scanning – Digitizing Modeling – Create/Modify Geometry 3D Printing – Rapid Prototyping. Math + Computer Science + Engineering + Art.

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Digitizing, Modeling, & 3D Printing for a Forensic Reconstruction of George Washington

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  1. Digitizing, Modeling, & 3D Printing for a Forensic Reconstruction of George Washington Dianne Hansford

  2. Let’s Discover • Scanning – Digitizing • Modeling – Create/Modify Geometry • 3D Printing – Rapid Prototyping Math + Computer Science + Engineering + Art Demonstrate through application: Forensic Reconstruction of GW Dianne Hansford * prism.asu.edu

  3. Background • Summer ’05 marked the 250th anniversary of GW as officer in French & Indian war • Mt. Vernon Society commemorated this anniversary • Commissioned three life-sized statues • 19: officer in British army (surveyor) • 45: led revolutionary army (on horse) • 57: sworn in as President (hand on bible) Dianne Hansford * prism.asu.edu

  4. Anthropologists Jeff Schwarz @ Univ. Pittsburg Matt Tocheri Computer Scientists Anshuman Razdan Gerald Farin Dianne Hansford Jeremy Hansen Artist &Graphic/Digital Artist Dan Collins Gene Cooper Rapid Prototyping Scott Van Note Project Team Dianne Hansford * prism.asu.edu

  5. Given Information / Evidence • Bust made at age 53 (Houdon) • Life mask made at age 53 (Houdon) • Life size statue at age 53 (Houdon) • Portraits • G. Stuart (age 63+) • C. Peale (age 50+) • Dentures • Clothing and other artifacts • Historic and anecdotal evidence Dianne Hansford * prism.asu.edu

  6. The Many Faces of GW Dianne Hansford * prism.asu.edu

  7. A Hard Problem Made Harder • GW began loosing teeth at age 24 • GW dentures did not fit comfortably Tooth loss Bone loss facial feature changes Dianne Hansford * prism.asu.edu

  8. Given Info Scanned Dianne Hansford * prism.asu.edu

  9. Dianne Hansford * prism.asu.edu

  10. Scanning: Animated Movies Dianne Hansford * prism.asu.edu

  11. 3D Points Triangle Mesh Dianne Hansford * prism.asu.edu

  12. Scanning: Art Digital Michelangelo Project Dan Collin’s Twister Dianne Hansford * prism.asu.edu

  13. Face Reconstruction Process • Mandibles from 20-year-old contemporary of GW • Modify digital copy to fit into 53-year-old face mask of GW • Fit to dentures • Bone loss • Dimensions of face • Normal aging Dianne Hansford * prism.asu.edu

  14. Volume Deformations Morphing and Warping Dianne Hansford * prism.asu.edu

  15. Deformation Operations • Rotate about a line • Bend about a line • Translate sets of control points • Taper cross section(s) • Scale • Move • ... • Geomagic Isolation of deformation effects via a “deformation box” Dianne Hansford * prism.asu.edu

  16. Mandible Deformation I Dianne Hansford * prism.asu.edu

  17. Mandible Deformation II Dianne Hansford * prism.asu.edu

  18. Mandible Deformation III Dianne Hansford * prism.asu.edu

  19. Mandible Deformation IV Dianne Hansford * prism.asu.edu

  20. Mandible Deformation V Dianne Hansford * prism.asu.edu

  21. 3D Printing Dianne Hansford * prism.asu.edu

  22. 3D Printing • Also called Rapid Prototyping, Layered Manufacturing, ... • Quick fabrication for • proof of concept (example: new phone from Motorola) • functional testing • molding • 3d faxing • “Additive” manufacturing • 1.5 mm material “pen” applicator (such as plastic) • 0.25 mm thickness of each layer • 1 hour to build each 25mm (1inch) of material Dianne Hansford * prism.asu.edu

  23. 3D Printing Method Dianne Hansford * prism.asu.edu

  24. 3D Printing for Space Stations? Dianne Hansford * prism.asu.edu

  25. Digital Results 57 19 45 19 45 & 57 Dianne Hansford * prism.asu.edu

  26. Digital  RP  “Real Life” Dianne Hansford * prism.asu.edu

  27. Dianne Hansford * prism.asu.edu

  28. Dianne Hansford * prism.asu.edu

  29. Dianne Hansford * prism.asu.edu

  30. History Channel Dianne Hansford * prism.asu.edu

  31. Scientific American Feb 2006 issue Dianne Hansford * prism.asu.edu

  32. Thank you for your attention! Dianne Hansford * prism.asu.edu

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