teighaviewer: teighaviewer (DWG and DGN file viewer) teighaviewer: teighaviewer: TeighaViewer is a free rendering application, which can render teighaviewer: .dwg and .dgn files. teighaviewer: teighaviewer: Homepage: https://www.opendesign.com/guestfiles/teigha_viewer teighaviewer: teighaviewer: teighaviewer: teighaviewer: teighaviewer: