Archiforge - Free 2d, 3d cad models, textures, a gallery with projects as well as information about the latest architectural competitions.
CADClick - A database for mechanical engineers that offers access to CAD geometries from different suppliers on mechanical engineering.
CADParts - Produces library symbols and footprints for the Cadence CAD software.
CADRegister - A source for design professionals, engineers, and architects to download component drawings from leading manufacturers, in a variety of industry-standard formats.
CADSymbols - Online 2D/3D parts library for Solidworks, AutoCAD and other software, in formats including ACIS SAT, DXF, DWG, and IGES.
Catalog Data Solutions Inc. - Online 2D/3D parts library hosting, integrated with PTC Wildfire and the ability to do Parametric searches. Formats include PRT, DXF, IGES, DWG.
