@ Burr
Yes this direct modeling tool DesignSpark is a killer!
Little problem seems you can't export as nurbs format with this free version! ?
So Thanks Max Smirnov for its _Import_OBJ !



Subdiv don't work with a native cylinder of Moi! ?
What we must do for that works ?

PS Byob is also this crazzy VERY FUNNY free language! :) Build Your Own Blocks! :)
http://snap.berkeley.edu/old-byob.html
Now Snap ONLINE !
http://snap.berkeley.edu/