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Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

Dassault Systèmes SolidWorks Corp. develops and markets 3D CAD design software, analysis software, and product data management software. SolidWorks is the leading supplier of 3D CAD product design engineering software.

PTC develops cutting edge product lifecycle management (PLM) tools, 3D design software, and dynamic publishing solutions. Find out why the most innovative companies choose PTC.

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Ashlar-Vellum precision 2D, 3D CAD drafting, and solid and surface modeling and drawing software for Macintosh and Windows. The official home page of Vellum software

Graphisoft is the maker of ArchiCAD, a 3D architectural design software with sophisticated 2D drawing and layout functions for architects, interior designers and structural engineers.

Download free cad software for view and drawing .dwg files,2D and 3D cad design software for architectural,house design,Manufacturing,mechanical engineering.

News, articles, products, suppliers, systems integrators, jobs, and other resources for industrial automation, process automation, motion control, process control, factory automation, and instrumentation engineers and other technical professionals. ...

educational databases for teachers containing science projects, teacher jobs, lesson plans, curriculum, state testing resources, java applets, free software, interactive physics software