HEATKEYS

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

RC Groups - the most active Radio Control model community: electric and fuel rc airplanes,rc helis,rc boats and rc cars. Features discussion forums, blogs, videos and classifieds.

The #1 FREE RC parkjet airplane plan site. Features over 100 FREE radio controlled parkjet airplane plans for download. Flying tips, building techniques, and more.

AC motors, DC motors. Kostov Motors is specialized in the production of AC and DC electric motors and grinders, operating two plants, located in Bulgaria. Our AC motors are universal and thus have a myriad of applications, while the DC motors have tr...

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

3D Models save you time and money. Find the 3D Model for your project in our vast library of cars, people, architectural models and more.

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.

3d models - Buy and sell. The3dStudio.com is one of the largest royalty free 3D resource sites on the Internet. Buy, sell, and trade 3D Models, Stock Photos, Stock Images, Textures, Tutorials, and more for 3ds max, 3d studio max, Cinema 4D, Maya, Lig...

Resource for government and industry professionals dedicated to tracking and analyzing defense contracts, awards and programs worldwide. News updated daily.

Security distributor offering cctv, intrusion, access control, fire, home auotmation / audio , and cable products.