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 ...

These can take the form of 2D blueprints or 3D models. CAD is used in a ... and practical exercises. If you want to learn CAD on your own for free, there are lots of tutorials online.

There was a time when drawing or copying and pasting CAD blocks in 2D was the only way to create formwork layout plans. Even today, as much of the construction industry has adopted 3D modeling ...