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3D Modeling for 3D Printing
Jeffrey Lancaster Emerging Technologies Coordinator
Columbia University Libraries
[email protected] @j_lancaster
3D Printing is easy, 3D Modeling is hard.
How it works
idea
model
machine code
object
Object
Cartesian Coordinates
x
y
z
x y
z
Fused Filament Fabrication
also with “sacrificial” materials
Other Fabrication Methods: Powder Bed Printing
Other Fabrication Methods: Photocured Resin
Other Fabrication Methods: CNC Milling
Machine Code
Makerware
.stl, .obj G-code!
Submission 3dprint.cul.columbia.edu
Model
@ DSC!
3D Studio Max! AutoCAD! Maya! SketchUp!
Blender! Rhino3D!
OpenSCAD!
When to design in which program?!Geometric
AutoCAD Sketchup
OpenSCAD SolidWorks
…
Organic Maya
blender Meshlab
…
Rhino 3DS Max
…
123D Design!
123D Catch!
Thingiverse!
Common Design Issues
Overlap/Angle!
Closed/Watertight Form!
Single Manifold!
willit3dprint.com
Demo OpenSCAD!
Questions?
Jeffrey Lancaster Emerging Technologies Coordinator
Columbia University Libraries
[email protected] @j_lancaster
3D Modeling for 3D Printing
Jeffrey Lancaster Emerging Technologies Coordinator
Columbia University Libraries
[email protected] @j_lancaster