ABX wrote:
> You can always post formulas of it here. Perhaps some tricks could be used
> to simplify calculations.

  Hmmm... it's just :

  function{f_sphere(x,y,z,1)+f_granite(x*10,y*.01,z*10)*.005}

  for a "base" isosurface from where I take several sections for the curved 
boards. Do you think it can be enhanced? It's not really that slow, but 
added to the other slow techniques I used, it increases the render time 
notabily. Anyhow, I don't have any other idea on how to do it, and it looks 
very nice and realistic... WIP 5 soon!

-- 
Jaime Vives Piqueres

La Persistencia de la Ignorancia
http://www.ignorancia.org

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