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YouTube is a place to discover, watch, upload and share videos.

Join our CAD community forums where users interact to solve day to day problems and share ideas. We encourage you to visit, invite you to participate and look forward to your input and opinions. Acrobat 3D, AutoCAD, Catia, Inventor, IronCAD, Pro/ENG...

GrabCAD - a free CAD model library with 2D / 3D CAD files available for software like SolidWorks, AutoCAD, Autodesk Inventor, Solid Edge, SketchUp etc.

covering the most interesting product design, design process, tools and related technology in 3D product development.

Twitter is without a doubt the best way to share and discover what is happening right now.

Outsource to expert programmers, designers, writers, translators, marketers, researchers and admin contractors with tested skills.

Find what you want in a library near you with WorldCat, a global catalog of library collections.

An employment community for designers: Make an online portfolio to promote your work. Browse portfolios or post design jobs.

mCADForums is the online home for CAD professionals to discuss Autodesk Inventor, Solidworks, ProE and other 3D modeling packages

The Ultimate Discussion forum for CNC, metal working machines, lathes, vertical milling, CAD/CAM software, hobbyCNC, wood routers, EDM, electronics,metal work and Free Buying and Selling!

The main source for your every F-16 Viper cockpit building need on the net ! Homebuilt cockpits and simulators.

The largest resource for MCAD (Mechanical Computer-Aided Design) professionals, including files, forums, jobs, articles, calendar, and more.