It looks nice, but awfully slow...

The wall parts between the wood should IMO have a different kind of
roughness, some base level where the irregular structures are 'carved in'
would be better.  

The wood looks neat, do you care to share the functions? I'm always
searching for new ideas for isosurface wood :-)

Christoph

-- 
Christoph Hormann <chr### [at] gmxde>
IsoWood include, radiosity tutorial, TransSkin and other 
things on: http://www.schunter.etc.tu-bs.de/~chris/

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