freeCAD
3D CAD with Motion Simulation
http://www.askoh.com/freecad/index.html
CADstd จะมีสองรุ่น รุ่น Free กับ รุ่น Pro
http://www.cadstd.com/
2D CAD
http://www.tenlinks.com/CAD/products/2d.htm
Free Mechanical Engineering: CAD Software
http://www.freebyte.com/cad/cad.htm
CAD Shareware Freeware: Free CAD
http://www.caddprimer.com/Free_CAD_software/cad_shareware_freeware.htm
Sunday, January 28, 2007
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