Norbert Kern wrote:
> 
> There is only one texture and it is far from being perfect.
> But I have not seen a good texture for interference pigments on animals like
> peacocks, some fishes, butterflies and many insects more so far.
> 
> Comments, tips?

Have you seen:

Subject: insect shader (50ko bu)
Date: Mon, 15 Jan 2001 09:59:57 +0100
Newsgroups: povray.binaries.images
From: gemelli david <d.g### [at] xlstudiocom>
news://news.povray.org/3A62BC0D.C65F3E08@xlstudio.com
http://news.povray.org/3A62BC0D.C65F3E08@xlstudio.com

Subject: Exoskeleton 1.5 (61 ko bu)
Date: Tue, 16 Jan 2001 09:04:53 +0100
Newsgroups: povray.binaries.images
From: gemelli david <d.g### [at] xlstudiocom>
news://news.povray.org/3A6400A5.98BB433A@xlstudio.com
http://news.povray.org/3A6400A5.98BB433A@xlstudio.com

Christoph

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