CAD software helps in 2-dimensional and 3-dimensional modeling. If you are searching for the best free CAD software for Windows, read this article.

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. "Extrude" is how 3-D modelers to refer to the technique of ...