HEATKEYS

Architectural information on building materials, manufacturers, specifications, BIM families and CAD details.

Discover our solutions for power and control, critical power, energy efficiency, automation and renewable energy from plant to plug

Autodesk is a world leader in 3D design software for manufacturing, building, construction, engineering, and entertainment. Since introducing AutoCAD in 1982, Autodesk has developed a broad portfolio of 3D CAD software programs to help users visualiz...

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!

A global specialist in energy management providing solutions, products, services, and support in Electrical Distribution and Automation and Control

Ideas that ignite emotions are ideas that ignite business decisions. We are gyro.

Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.

Any PDF to DWG Converter, free download. Any PDF to DWG Converter 2013: Batch convert PDF to DWG and PDF to DXF format for editing in AutoCAD or other CAD..

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Dassault Systèmes SolidWorks Corp. develops and markets 3D CAD design software, analysis software, and product data management software. SolidWorks is the leading supplier of 3D CAD product design engineering software.

Searchable, comprehensive, interactive and free Electrical Symbols Library with free downloads for multiple formats, including DXF, DWG and Visio formats.