/schemas/desktop/gnome/thumbnailers/application@x-extension-fcstd/enable /desktop/gnome/thumbnailers/application@x-extension-fcstd/enable freecad bool true Enable thumbnailing of FreeCAD documents. Enable thumbnailing of FreeCAD documents. /schemas/desktop/gnome/thumbnailers/application@x-extension-fcstd/command /desktop/gnome/thumbnailers/application@x-extension-fcstd/command freecad string /usr/bin/freecad-thumbnailer -s %s %u %o Thumbnail command for documents from FreeCAD. Valid command plus arguments for freecad-thumbnailer.