“The BIM data from the Revit model can be imported or exported using a BIM data file format or using other formats. The available file formats are SDNF (Version 2.0 and Version 3.0), CIS/2, IFC, and PSS. “
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Advance Steel and Concrete Plug-in | Autodesk Revit | Autodesk Exchange Apps
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What Revit Wants: Autodesk Advance Steel 2015 now available, with Revit and Navisworks Integration