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

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

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

Ergo-link? human 3D CAD models offer human factors specialists and design engineers the opportunity to use accurate human 3D CAD models in their designs.

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

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

Free Pro/E Model&SolidWorks Models&CAD Model Download.We Provide More And More Comprehensive Model Of Resources For Free Download

3D models for CAD/CAM/CAE designers. Cars, cities, airplanes and other polygonal and NURBS/SOLID models.

Empowering anyone to create and publish 3D online through our 3D platform of community, 3D content, and free 3D software.

Prezi is the zooming presentation editor

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Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...