Hi Sven,

> Unfortunately I already deleted the greeble which I have substracted. Mistake...

Well the base pieces can be recovered to some extent by separating things into individual surfaces and then doing an "untrim". Untrim is described here: http://moi3d.com/forum/index.php?webtag=MOI&msg=444.4

I'll see if I can make a larger surface from the revolved part.

- Michael