Hi torsten,

> when i try to use a revolved object it either produces garbage, or no result at all.

Could you please post the 3DM model file with the objects that produce the garbage or non-result so I can test with them over here?

- Michael

Worked on a Raspberry a while back, with a little different technique:
http://moi3d.com/forum/index.php?webtag=MOI&msg=5178.1

First you have to count how many seeds in a strawberry :-)