news:2sufjukftv9fvf4n19ab6894or76n2uiut@4ax.com...
> On Fri, 19 Jul 2002 13:19:54 +0200, "AC" <amb### [at] teliacom> wrote:
> > I Just can't get rid of these black stuff in the middle of this
object...
> > any sugestions?
>
> It looks similiar to part of POV logo so perhaps in its documentation ...
> chapter 9.1.2.8 and/or 9.1.2.1.
I increased the Max_gradient from the recomendet 30.4 to 100 (I tried 81 as
well but the same problem) , That seemed to help, The object is actually a
CSG iso blob and sort of complicated.

>

> BTW, for such object you can be interested in IC_Sor macro in iso_csg
library.
> http://www-public.tu-bs.de:8080/~y0013390/pov/ic/

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