HEATKEYS

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.

Dassault Systèmes SolidWorks Corp. develops and markets 3D CAD design software, analysis software, and product data management software. SolidWorks is the leading supplier of 3D CAD product design engineering software.

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

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.

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...

We’re developing open source industrial machines that can be made for a fraction of commercial costs, and sharing our designs online for free. The goal of Open Source Ecology is to create an open source economy – an efficient economy which increa...

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

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.