hairball nous apporta ses lumieres ainsi en ce 2004-11-30 17:25... :

>Hello Group
>
>I have built a scene including a house (prism) , and I would like to cover 
>the prism with rusty corrugated sheet metal, or even painted sheet metal. 
>Is there an easy way to do this, or do I hve to model the bumps on the 
>corrugated sheet metal, which will be painfully slow?
>
A difference of two identical blobs, one of whitch is translated a small 
amount down, may be what you are looking for. The blobs are made of a 
serie of cylinder components. Intersect it with a box to get straight edges.
Other than that, you may try a parametric or an issosurface. A marble 
base pattern using a cubic_wave to have smooth curves, it should have a 
fairly low max_gradient making it relatively fast.
Once you have your sheet, just add some texture to it.

Alain

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