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What is CAD? you might be wondering if you're considering a career in architecture, engineering or product design. Jobs in ...
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.
The free, open-source software, designed by a team of scientists from MIT and Arizona State University, lets anyone create 2D nanostructures using DNA strands.
CorelCAD is a new 2D/3D Computer-Aided-Design (CAD) ... Lastly, CAD programs are typically not easy to learn. ... but it is free.