Design Web Format (DWF), created by Autodesk. DWF is a compressed, non-editable, vector file format created by CAD and BIM applications. A DWF file can represent sheets for plotting purposes (2D DWF) or the entire 3D Model (3D DWF) for visualization or estimating purposes.1
1 The Massachusetts Port Authority, 2015. BIM Guidelines for Vertical and Horizontal Construction.