DXF Export for SolidWorks is an AutoCADВ® DXF file export add-in for SolidWorksВ®. This add-in gives SolidWorks the ability to export 3D solid and surface data from a SolidWorks part and assembly document to 3D Polyface Meshes in an AutoCAD DXF file.DXF Export for SolidWorks tessellates the solid bodies in a SolidWorks part or assembly document into individual triangular meshes which are then exported to an ASCII DXF file as 3D Polyface meshes.