DOWNLOAD 2D CAD Generic 2D CAD formats can be downloaded below. The 2D files in dwg/dxf format contain the LUO modules as blocks that can be easily moved into your drawings. LUO 2D drawings.dwg LUO 2D drawings.dxf LUO 2D drawings.pdf LUO 2D table version.dwg LUO 2D table version.dxf LUO 2D table version.pdf