On 01.08.11 17:03, folkert wrote:
> Has anyone any suggestions how i can speed up the rendering?

Don't use such a complex CSG object. For every ray traced, the whole 
difference needs to be checked, so you get no benefit of bounding (which you 
cannot add manually in a meaningful way to a difference like this object). 
The best approach here is to split the outer cube into eight symmetrically 
identical smaller cubes. This should get you a speed-up of roughly eight 
times right there.

Also, note that you can texture CSGs as a whole, no need to texture each part.

	Thorsten

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