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.

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

AST Bearings is a premier supplier of high-precision, miniature, and industrial ball bearings, roller bearings, bushings, and related bearing services.

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

Desktop Engineering Magazine, Technology for Design Engineering: Mechanical Computer-Aided Design, Computers and Peripherals, Analysis/Computer-Aided Engineering, Rapid Prototyping & Modeling/Reverse Engineering

A wireless remote controlled motorized electric longboard. This skateboard is the world

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

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

Adafruit Industries, Unique & fun DIY electronics and kits : - SpokePOV MiniPOV SIM reader Tools MintyBoost Gift Certificates Digg Button AVR Development Arduino Useful stuff BoArduino TV-B-Gone Game of Life Breakout Boards YBox2 Drawdio XBee Fu...