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

CAD Fórum - diskuzní fórum pro AutoCAD, LT, Inventor, Revit a další produkty firmy Autodesk, tisíce tipů a triků - poskytuje firma CAD Studio

Librerias de Bloques CAD para Arquitectura, Ingenieria, Infografia, Construccion, Diagramas, Dibujos 2D y 3D.

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!

Autodesk Seek is the online source for product specifications and models for use in Revit, Autocad, 3ds Max, Maya and other CAD applications

Autodesk User Group International (AUGI) discussion forums.

Alibaba Manufacturer Directory - Suppliers, Manufacturers, Exporters & Importers

CAD drawings Library for architecture, engineering and construction industry

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Amigos De Juanita, a ministry in Valle de Angeles helping children and familes in Honduras.

A-dec is a dental equipment manufacturing company which supplies dental equipment such as dental chairs, dental stools, delivery systems and dental handpieces into more than 100 countries.

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

Sirona Dental Systems is recognized as a leading global manufacturer of technologically advanced, high quality dental equipment. Sirona develops, manufactures, and markets a complete line of dental products, including CAD/CAM systems, digital and fil...