HEATKEYS

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

MIT is devoted to the advancement of knowledge and education of students in areas that contribute to or prosper in an environment of science and technology.

Clockforum - Index

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

Thingiverse is a universe of things. Download our files and build them with your lasercutter, 3D printer, or CNC.

Engineers Edge - Total Design, Engineering & Manufacturing Resouces

SHERLINE manufactures precision miniature lathes, mills and machine tool accessories in both manual and CNC versions for hobbyists, model makers, jewelers and lab technicians. The Sherline machine tool accessory line is the world

GEARS Educational Systems

Gear Technology magazine and the geartechnology.com buyers guide. Find articles on gear design, engineering and manufacturing, and locate suppliers of gear machines, gear cutting tools and related services

GlobalSpec is a search engine and information resource for the engineering, industrial and technical communities. We help you quickly find industrial parts, specifications and services.

Helping us make and share calculations with MS Excel. XLC software to display MS Excel formulae in mathematical notation. Repository of solved problems covering many engineering topics. Site forum for software support and discussion of calculation. E...

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