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. Online communities for DraftSight, www ...
Computer aided design (CAD) close computer aided design (CAD)The process of creating a 2D or 3D design using computer software. now has the capability to design new products in 3D, visualise them in a ...