Xplo Eristotle wrote:
> 
> I've seen a lot of examples of isosurfaces that are supposedly made with
> fractals and have kind of a round "whirled" look, like a screw or
> seashell or cotton candy.. I don't know how to describe it better than
> that, so hopefully someone knows what I mean.
> 
> Anyway, what sort of function is generating these?

"These" are created using the built in julia fractal object.

e.g.

// create a 3-D slice of a 4-D julia fractal object
julia_fractal {
  <-0.083,0.0,-0.83,-0.025>
  quaternion
  cube
  max_iteration 8
  precision 20

 pigment{rgb 1}

}

-- 
Ken Tyler

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