I find a demo which shows how to create a toothbrush shape in Curve Mesh Surface Method is very helpful. Have a look at [ame=http://www.youtube.com/watch?v=IvmvZg-2I0Y&context=C468a5d9ADvjVQa1PpcFPQPHKfq3arzEQ00qO 4Jy6q3u1i6Bseai8=]How to create a Toothbrush Shape in ZW3D 2012 - YouTube[/ame]