Sketchup Components Collection
- A repository for SketchUp components related to the design of custom-built PCs, or Case Modding.
- http://www.jazzle.co.uk/

Objects Online
- A catalog of architectural 2D and 3D objects and symbols for ArchiCAD, AutoCAD, VectorWorks, and SketchUp.
- http://www.objectsonline.com/

CADlib
- A searchable online database of 2D and 3D AutoCAD and 3D Studio models, and portal to manufacturers web sites.
- http://www.cadlib.co.uk/

ModelCAD
- A library of 2D and 3D architectural symbols in DWG and 3DS format on CD-ROM [requires Flash].
- http://www.modelcad3d.com/

kit3Dmodels
- Collection of 3D furniture models in Max3.0 and DXF format, with some free sample downloads.
- http://www.kit3dmodels.com/

Human Figure Data
- Human-figure data sets for architectural drawings in DXF, MCD VectorWorks, and EPS format. Free download after registration, or purchase of CD-ROM [requires Flash].
- http://www.sum-cd.com/

3DSymbolSet
- Sets of pre-drawn blocks and symbols for interior design in DWG and DXF format, which can be modified after insertion.
- http://www.3dsymbolset.com/

Building Environments
- Furniture and accessories in DXF/DWG/3DS/MAX format for use in 3D visualisations for free download for architects and interior designers.
- http://www.buildingenvironments.com/