Thomas de Groot wrote:
> "Ben Chambers" <ben### [at] pacificwebguycom> schreef in bericht 
> news:45542c96@news.povray.org...
>> I assume you're using an isosurface?  You could probably speed up the 
>> rendertime (by several orders of magnitude, in fact) by first rendering 
>> the pattern as a height field.
>>
> 
> ...but then you will miss the overhanging parts...!
> 
> Thomas 
> 
> 

Were there some?  I found it hard to see any in the picture.

Of course, you could use intersections between height fields, and other 
such tricks, but that gets... tricky ;)

...Chambers

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