HEATKEYS

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

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

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

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

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.

Online trade platform where digital artists can buy and sell 3d models.

CAD Back Office CAD Back Office (CADBackOffice.com) is a leading provider of mechanical 2D/3D design and drafting services in North America. All our team members have years of experience and profound knowledge in mechanical design and manufacturing. ...

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...

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

The International Space Apps Challenge is a 2 day technology development event during which citizens from around the world work together to solve current challenges relevant to both space exploration and social need.