I've ask in the Povray Bug Tracking System to raise the maxpower of the poly 
object with one power to 16.
Le_Forgeron asked me for a genuine poly 16 file to test the system. It's 
attached to this post.

If someone else is interested, there is a working poly 8 file too, so you 
can play with a high power object.
Both files produces spirals that are build from a mathematical described 
distorted Oval Torus (poly 8 and poly 16), followed by chopping up the 
distorted torus in peaces that builds a spiral. No mesh or Isosurface is 
used.

Jaap Frank

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