Design Master HVAC is an integrated HVAC building design and drafting program for AutoCAD. Features include 2D and 3D ductwork drafting, ductwork sizing, pressure drop calculations, and building load calculations.
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ZW3D, all-in-one, affordable CAD/CAM, enables concept to finished product design in an integrated, collaborative environment. It also shares and exchanges CAD files with all leading design systems such as CATIA, Inventor and SolidWorks.
Downloads: 26422 - Shareware - Download Now
nanoCAD Plus - easy-to-use low cost CAD software providing classic interface and native .dwg support. nanoCAD Plus has been built to deliver design and project documentation regardless of the industry or enterprise.
Downloads: 33696 - Shareware - Download Now
Batch Processing to make DWG/DXF/DWF/DWF files to PDF files with NO need of AutoCAD Stand-alone utility - AutoCAD NOT required. Batch processing supported. DWG/DXF/DWF/DWF files created by every version of AutoCAD supported.
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DWG to PDF Converter Pro is a batch converter that allows you to convert DWG to PDF, and DXF to PDF without the need of AutoCAD. The Pro version supports command line.
Downloads: 57416 - Shareware - Download Now