> Is there an easy way to make real dents in a metal texture.

Heightfields or Isosurfaces. Both have limitations. HF's are fast but shape
is limited to a grid. Iso's are slow but shape is more flexible. Sometimes
Iso's are very hard to understand without being a math genious, but try this
link:

http://www-public.tu-bs.de:8080/~y0013390/pov/ic/index.html

Regards,
Hugo

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