Comment 79 for bug 187290

Exactly this one :

http://tavmjong.free.fr/INKSCAPE/MANUAL/html_fr/Effects-ModifyPath.html#Effects-Edge3D

To a shape I have designed. But the program won't let me do it since it doesn't work on a squarre (which I draw with the squarre tool on the left and that I select before trying to run the Edge 3D effect). I obviously have a problem with the program.