> (of course I know sphere sweeps are slow in nature).

I wonder why spheresweeps exsist in POV at all.. I may sound negative, but
these shapes can be achieved with cones and render much quicker! I know that
extra memory is required, but then .... wouldn't it be possible to code an
internal "repeating-cones" algoritm in POV ... actually a function that just
repeats any shape, following a user defined path / formula, *without*
storing all points in memory first. This would be useful in many cases.


Hugo

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