How to Convert a 2D Model to 3D Using AutoCAD. Use AutoCAD's "Extrude" and "Revolve" commands to turn 2-D designs into 3-D models.

Here are a three different intersections of 3D scanning, 3D printing, and CAD along with a few words on how well each can be expected to work.

How do you 3D-print without a 3D printer? If you don't own a 3D printer, you can still 3D print any 3D model you found through a database or designed through a software tool.