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