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PROCAD designs piping and electrical drafting software add-on programs for AutoCAD for piping and instrumentation diagrams; piping plans and elevations; and piping isometric drawings. It increases piping and electrical drafting productivity by reduci...

SketchUp - Engineering Tools and Components

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We’ve got AutoCAD Software and Add-ons and feature many software downloads including the latest AutoCAD 2010 add-ons and CAD Software releases.

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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...

A cloud-based and specification-driven 3D piping plug-in for SketchUp.

Craftsmanspace contains free woodworking and metalworking DIY (do it yourself) project plans and patterns with detailed manufacture and assemblage descrfiption.

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