"Samuel B." <stb### [at] hotmailcom> wrote:
> "Bald Eagle" <cre### [at] netscapenet> wrote:
> > "Samuel B." <stb### [at] hotmailcom> wrote:
> > > "Samuel B." <stb### [at] hotmailcom> wrote:
> > > > Pattern function for an n-foil
> > >
> > > Ideally, the center would be empty [...]
> >
> > [Bald Eagle's code]
> >
> > Gives me an N-sided hole in the center.
> > Not sure how to get it to be an actual circle....
> >
> > - BW
>
> Here's what I came up with this afternoon (with added border):
>

And its usage:

plane{
 z, 0
 pigment{
  function{N_Foil(4, .1, .15, 1)}
 }
}

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