"Multi-material 3D Printing" presentation given by Daniel Dikovsky from Stratasys at RadTech UV & EB Technology Expo & Conference 2014. To learn more about RadTech and UV & EB Curing Technology, visit http://www.radtech.org

1. Multi-Material 3D Printing
Daniel Dikovsky, Ph.D.
Digital Materials Manager, R&D

2. Introduction

3. 3D Printing – a New Way to Make Things
Carving/milling out a model
from a given volume
Creating a solid object by layering
thin slices of material

4. 3D Printing – Digital to Physical
3D CAD File Printing ResultPrint the model

5. 3D Printing – Simulate Complex Objects

6. 3D Printing – Fabricate Complex Objects

7. 3D Printing – Multi-material Fabrication
3D Printing
freedom of form
Multi-material 3D Printing
freedom of composition

8. Multi-Material 3D Printing Technology

9. Technology – PolyJet Process

10. Technology – Connex Process
Material B
Material A

11. Technology – Digitizing 3D Object
• 1 cubic millimeter – ~20,000 Objet voxels
• The smallest Lego brick – ~4,000,000 Objet voxels
• Full tray – 1012 Objet voxels

12. Technology – PolyJet Materials
• Color
• Transparency
• Stiffness
• Flexibility
• Dimensional stability
• Impact resistance
• Water absorption
• Density

13. Digital Materials and Graded Materials

14. Technology – Digital Materials
Digital Materials are engineered materials manufactured from two or more different
constituent materials, according to a digitally encoded three dimensional phase structure
design (the DM code), and produced by an additive manufacturing process.
• Heterogeneous/Homogeneous
• Anisotropic/Isotropic
• Geometry Dependent

15. Technology – Digital Materials
Digital Materials are engineered materials manufactured from two or more different
constituent materials, according to a digitally encoded three dimensional phase structure
design (the DM code), and produced by an additive manufacturing process.
• Heterogeneous/Homogeneous
• Anisotropic/Isotropic
• Geometry Dependent

16. Digital Materials – Color

17. Digital Materials – Anisotropic Materials
Sandwich Y Sandwich ZSandwich X

18. Digital Materials – Anisotropic Materials
X
Y
Z

19. X
Y
Z
Digital Materials – Anisotropic Materials

20. Digital Materials – Composite Materials
High Temperature
Material
Composite Digital
Material
High Toughness
Material

21. Graded Materials – Imaginary Beings

22. Graded Materials – Print CT Data

23. Digital Materials FEA Simulator

24. VoxCad – Digital Materials Simulator

25. Anisotropic Material Simulation

26. Novel Multi-Material 3D Printing Applications

27. Lighting and Structure Optimization

28. 4D Printing

29. 4D Printing

30. 4D Printing

31. 3D Topography

32. Lenticular Print

33. Thank You