Aspose.CAD allows developers to open, read and process AutoCAD DWG, DXF, DWT and other CAD and BIM file formats, such as: DGN, DWF, DWFX, IFC, STL, IGES, PLT, CF2, OBJ, HPGL, IGS....those files into various vector (PDF, WMF, SVG, EMF) and raster image...for .NET is a cross-platform library, compatible with .NET Framework...