HEATKEYS

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

Find free downloads for supplier parts models, component models, 3D parametric models and supplier component downloads, including free CAD drawings, assembly models and full 3D CAD models. Use these free part models by dropping them directly into yo...

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

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

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

Free Online Library: One of the largest online libraries in the world -- Millions of news, trade publications, newspapers, magazine, journal and reference documents on business, communications, entertainment, health, law, government, politics, scienc...

Product and machinery engineering, development and design. Manufacturing and robotic machinery design and programming.

An employment community for designers: Make an online portfolio to promote your work. Browse portfolios or post design jobs.

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

Metal Solutions Design & Fabrication is a full service manufacturing company. Our designers, fabricators and certified welders specialize in tight tolerance sheet metal fabrication and design.

SDC Publications, your source for Engineering textbooks.

Outsource to expert programmers, designers, writers, translators, marketers, researchers and admin contractors with tested skills.