Hi 'gumpu' Frans,

I had to add some ambient to the finishes and look more closely to see
the artifact, but now I recognize it as an effect that has also occurred
to me: see my threads in povray.general

   11th Feb. 2003   Small is NOT BEAUTIFUL,
    3rd Sept.2002   Intersection with quartic: bug?

and look at the accompanying pictures in povray.binaries.images.

The reason for such artifacts is some 'Epsilon' for creation of a little
overlap at the edges of objects and intersections to avoid looking
through corners. But the value of this 'Epsilon' has increased by
a couple of magnitudes with version 3.5. In my opinion, this is a bug.
The easiest way to make these artifacts invisible is to use larger
objects.


   Sputnik

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e-mail: fr### [at] computermuseumfh-kielde
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