And that with any limitation of date or just for 30 days?

Another thing, I believe that for the rendering, Carrara transform the 3dm in "poly" in internal for rendering
It's not a "nurbs renderer" :)
But yes a very strong renderer !
Favorite of Marcel : see these album ! (many crazzy images)
http://www.zbrushcentral.com/zbc/showthread.php?t=34679