Just an experiment.

I borrowed an idea from Norbert Kern:
http://news.povray.org/povray.binaries.images/28465/

- and a texture from Tek:
http://news.povray.org/povray.binaries.scene-files/31618/

Instead of using a slope mapped texture for the whole shape,
I added a different slope mapped texture to every triangle
in the mesh2 that was used for the shape. (The direction
from the location of the camera to each triangle was used as
the slope direction for each triangle.)

I used radiosity and HDRI in MLPOV to render the image.
(No light sources was used, so the texture does not show
much of its glitter and noisy normals.)

The image was scaled down and had both its brightness and
contrast increased by 10% prior to posting.


Tor Olav

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