sensor problem with freecad: http://forum.freecadweb.org/viewtopic.php?t=13080 (maybe this need more work, not tested)
sensor problem with freecad:
http://forum.freecadweb.org/viewtopic.php?t=13080 (maybe this need more work, not tested)

looooo/pivy,looooo/pivy,looooo/pivy