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 ...

Automated price quoting is an idea just catching on. The most recent site is from eMachineShop.com and comes with a twist— a 2D-CAD program and guidelines for reducing part costs. Automated price ...