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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.

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

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...

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Engineering information and connections for the global community of engineers. Find engineering games, videos, jobs, disciplines, calculators and articles…

Graphic Speak provides news, information, commentary, and opinion for CAD and DCC professionals

International Electronic Discussion Forum: EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals

Physical Measurement Laboratory Homepage

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.

Head-Fi.org: Head-Fi covers headphones, portable audio, earphones, earbuds, headphone amplifiers and audiophile equipment.

Handy online render-related 3d stuff library. Free professional high quality 3d models, tutorials. Quality models.