HEATKEYS

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

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

A blog for developers working with AutoCAD and other Autodesk technologies

VEX Robotics Design System

Instructables is the Biggest How To and DIY community where people make and share inspiring, entertaining, and useful projects, recipes, and hacks.

Learn about the advantages of building a business relationship with Autodesk by participating in one of our technology licensing programs or joining the Autodesk Developer Network (ADN).

3D Printer World is an online resource providing news coverage, original feature stories and analysis for 3D printer users and 3D object designers. Serving both commercial and personal users, our mission is to explore and promote the use of additive ...

FileFormat.Info is the source for file format standards, online file conversions, and detailed file specifications, including Unicode characters, MIME types and file extensions

Autodesk, AutoCAD, CAD, visualization, and design software product and industry blogs.

CAD Tutorials and Best Practices

CATE: The Center for Advanced Technology in Education

Site provides free downloads, links to filmmaking resources & tons of info about editing to finish on video, film, & other media for movie lovers & filmmakers.