DWF to DWG Converter Pro help you convert dwf to dwg back. support almost any autocad version from R2.5 to the latest version 2006. Pro version is a stand-alone application that needn't of AutoCAD, and Pro Version supports batch conversion.
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DWG to DXF Converter Pro is a batch DWG and DXF bi-directional converter that allows you to convert DWG to DXF, DXF to DWG without the need of AutoCAD. It is also an AutoCAD drawing file version converter. The Pro version supports command line.
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Mass calculator for CAD or engineer users
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This 3D graphics editing tool can be easily used for molecule creation. Falco Molecule is a 3D graphics editor for molecule creating. You can use this OpenGL editor in order to generate chemical molecules
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ProfiCAD is the quickest and easiest way to create electrical documentation and schematic diagrams. Although it is very easy to learn and use, it is a professional tool used by a wide range of customers.
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