1. Rapid Assemblers: From Analog to Digital Additive Manufacturing Computational Synthesis Lab Hod Lipson, Jonathan Hiller Mechanical & Aerospace Engineering Computing & Information Science Cornell University

2. Conclusions Digital Materials –Comprise lattice of physical voxels –High precision, work with incompatible materials –Tunable properties Rapid Assemblers –Assembles millions of prefabricated components into a integrated active structure –Parallel (laser printer) –Serial (inkjet printer)

3. Printable Robots

4. Fab@home Model 1

5. Fab@home Model 2

7. With Max Lobovsky

8. With Larry Bonassar, Daniel Cohen

10. Zinc-air Batteries Zinc-Air

11. IPMC Actuators

12. With Evan Malone

14. Gershenfeld, 2005

15. Digital Materials

17. 70010,00025,00080,000187,000363,0001,000,0004,500,000

18. Challenges How to make voxels How to assemble billions of voxels How to simulate and design voxel-based systems

20. Key Challenges How to fabricate voxels How to assemble billions of voxels How to simulate and design in voxel space

21. Printing Digital Materials Parallel Assembly

22. Material Feeder Build Chamber

26. Fabricator

27. With Jonathan Hiller

28. Spheres

30. 3D Circuits

32. Printing Digital Materials Rapid Serial Assembly

33. VoxJet

36. Accelerated x4

37. Voxels Tunable Material Properties

38. Tiles

42. Modeling - COMSOL

43. Simulating: Relaxation

44. Tile Precision

45. Dithering Materials

47. Tuning Elastic modulus

48. Tuning CTE

49. Auxetic Materials

50. Spheres

51. Precision x 0.5 x 0.1

54. Smart Voxels Future Directions

56. 500 µm

59. Electrical conductivity

60. 3D Micro-fluidics

61. Heterogeneous Tissue Engineering

62. Gershenfeld, 2005

63. From Analog to Digital

64. Conclusions Digital Materials –Comprise lattice of physical voxels –High precision, work with incompatible materials –Tunable properties Rapid Assemblers –Assembles millions of prefabricated components into a integrated active structure –Parallel (laser printer) –Serial (inkjet printer) New functionality –Desktop manufacturing of complex, 3D integrated active devices, without special tooling

65. Jeff I. Lipton Daniel L. CohenEvan Malone Jonathan Hiller