HEATKEYS

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

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

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

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

Free download of supplier cad parts for your library. Find many 3d models in our 3d parts catalogs. CAD models for engineers.

Siemens AG is a global powerhouse in electronics and electrical engineering, operating in the industry, energy and healthcare sectors.

TED is a small nonprofit devoted to Ideas Worth Spreading -- through TED.com, our annual conferences, the annual TED Prize and local TEDx events.

TracePartsOnline.net is one of the biggest parts libraries in the world, offering 100+ million free 2D drawings & 3D CAD models.

SKF Products, Solutions, Services, News, Investors, Career, Students, Sites etc. SKF is the world leader in Rolling Bearings, has a leading position in Elastomeric Seals, Steel, Industrial Solutions and Services such as Mounting, Condition Monitoring...

Popular Mechanics is a service magazine covering a variety of information on home improvement, automotive needs, electronics, computers, telecommunications, outdoors, fitness and science and technology. Popular Mechanics also features product evaluat...

Share articles, videos, images, art, or anything else and follow everything you like.