Most people learn CAD through a combination of formal online or in-person courses, tutorials, and practical exercises. If you want to learn CAD on your own for free, there are lots of tutorials ...

DraftSight 2D CAD software, which lets users create, view, and edit DWG and DXF files, is free -- and it comes with its own online social-networking communities.

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.