Use AutoCAD's "Extrude" and "Revolve" commands to turn 2-D designs into 3-D models. "Extrude" is how 3-D modelers to refer to the technique of stretching a 2-D shape into 3-D space. AutoCAD performs ...

A 3D printer turns digital designs into physical objects using a variety of substances, from plastic to ceramic to something that kind of looks like wood. Before you even touch a printer, you'll need ...