HPGL Input org.inkscape.input.hpgl_input hpgl_decoder.py Please note that you can only open HPGL files written by Inkscape, to open other HPGL files please change their file extension to .plt, make sure you have UniConverter installed and open them again. 1016.0 1016.0 false .hpgl image/hpgl HP Graphics Language file (*.hpgl) Import an HP Graphics Language file