Using QCAD 1.5.4 in Linux, I see those artifacts in the dxf file.
John
Importing a dxf:
http://www.faunalia.it/download/boschi_0103_ps.dxf.tar.gz
creates artefacts:
http://www.faunalia.it/download/qgis_dxf.png
islands are connected to outer borders by non-existing lines.
Is that a bug? Should I fill a report?
All the best.
pc
