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Cadyou is a free resouce for creative commons licensed 3D Models, CAD Blocks and Textures

CAD Library: Free Download CAD Drawings and Libraries. AEC, Architectural, Civil, HVAC, Electrical, Plumbing, Detail Drawings and Symbol Blocks in Autocad .DWG .DXF - CAD Software

Online AutoCAD Block / Symbols Library. CBEN is the largest, most comprehensive CAD library of the Web. It is constructed by a vast, global community of users and contributors and is the only major directory that is 100% free.

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

Easy Freeware is a large archive of freeware downloads online sorted by popular categories. All 100% free downloads! Your completely free software catalog.

CAD Blocks FREE! Download FREE CAD Blocks from a variety of categories and CAD disciplines. Browse before you download as all of our CAD Blocks have detailed thumnail views!

VectorFreak has the largest free vector collection on the net! Search and download over 282765 free files including premium vector stock, backgrounds, logos, icons, clip art, graphics and more...

CAD – sometimes spelled CADD- is an acronym for Computer Aided Design. Put simply, CAD is the process of using software to create a model of your design in a virtual environment before incurring the cost of testing them in the real world.

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

archinoah.com is a architecture network for architects, interior architects, urban planners, engineers and students of these branches.