Nurbs to patch "tutorial" :
1-Use that tree for an avatar :
2 -build a nurbs
3 - by right click change it into a patch and translate/rotate/scale it
4 - easy to drag the red points on the patch
http://dumenieu.free.fr/louizeforum/seamless/alainav0408b.wrl
http://dumenieu.free.fr/louizeforum/seamless/hand.wrl
http://dumenieu.free.fr/louizeforum/seamless/hand2.wrl
select the colorsweep to get the colors