Download C# class library DLL to render, edit, report, & convert AutoCAD®, CAD, BIM to PDF & image formats via API. Select & convert specific layouts, layers....allows high-quality conversion of DWG, DWF, DWFX, DWT, DGN, STL, OBJ...surfaces, and meshes within DWG, DXF, DWF, and DGN file formats...