MEDUSA4 Personal, the free version of the company’s 2D/3D CAD suite, is suitable for hobby engineers who build models from scratch or professionals who design model engineering kits.

Free 2D CAD for DWG files . Nov. 17, 2011. DraftSight is free CAD software that lets users create, edit, and view DWG files. The newest version works on Windows, Mac, and Linux O/Ss.

I've been using Solidworks 2010 to do some modelling but now I need to do lots of architectural drawings which are proving to be a real pain in the ass to do. So I'm looking for a 2D CAD package ...