Yeah, thanks to all of you for your answers and ideas, and especially to the very clear tutorial from solo !
You can also find an easy way I got from other forum, very interesting for all of those who design furniture with SKU :
http://www.systemed.fr/Forum/forum_topics.asp?FID=18&PN=1
GLB
[image: RYDY_Ftcolonnecanneleavecrenflement.png]