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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...

Car Design for Automotive Designers, Engineers and Enthusiasts

Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

CADTutor provides free video tutorials, articles, downloads and a busy community forum for users of AutoCAD and associated 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.

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.

The HowStuffWorks Auto Section contains articles about everything from engine workings to classic cars. Learn about cars on HowStuffWorks Auto.

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wikiHow is a wiki based collaboration to build the world’s largest, highest quality how to manual. Our multilingual how to manual has free step-by-step instructions on how to do all types of things.

race car engineering, design and construction for amateurs.

SketchUp Make 2014, free download. SketchUp Make 2014 14.0.4900: Powerful yet accessible 3D modeling software. SketchUp bucks the trend of expensive 3D modeling software such as 3DSMax and Cinema4D and presents a

Gizmag covers the full gammut of new and emerging technologies, invention, innovation, and science news.