Wasn't it Mueen Nawaz who wrote:
>Hi,
>
>       Not a beginner to POV-Ray (first experience in 1995).
>
>       Not sure I can call myself a beginner by experience, but I surely am a
>beginner by virtue of ability. To confuse matters further, I've posted
>in the advanced newsgroup...
>
>       I'm sure these have simple answers, but my brain gave up.
>       
>       I'm working on making a cake in POV-Ray. For the "base" of the cake,
>I'm using a simple superquadric ellipsoid (basically a cylinder with
>slightly rounded edges). Now I want to put the icing. I just want some
>material that sort of wraps around the top of the base, and extends a
>little bit down the sides, but with quite a bit of variation in how far
>it extends down.

My approach would be to create an isosurface that had a similar shape to
the part of the object that I was trying to cover, and then add some
noise to it.

I've posted the resulting image in povray.binaries.images

-- 
Mike Williams
Gentleman of Leisure

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