HEATKEYS

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

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

PCB 3D is a unique database of 3D modeled electronic components that you can use to render your virtual circuit boards. Use over 600 electronic components from our database and take a closer look at your circuit boards and make your product perfect.

3D Viewer – ABViewer. View, print and convert STEP, STP, STL, IGES, 3DS, DWG and other 3D file formats!

PTC develops cutting edge product lifecycle management (PLM) tools, 3D design software, and dynamic publishing solutions. Find out why the most innovative companies choose PTC.

Distributor of electronic components and parts, DigiKey offers quality products with same day shipment, products include: Semiconductors, Capacitors, Relays, Resistors, AC DC Converters, Circuits, Microcontrollers, Power, Lighting & Wireless Supp...

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

STP Viewer 2.3 - STP Viewer is free software that lets you view 3D STEP files (.stp, .step file format)

Free viewer and publisher software to view, print, and review eDrawings, AutoCAD, DWG, DXF and SolidWorks files;Publish eDrawings directly from SolidWorks, AutoCAD, Pro/ENGINEER and CATIA

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