> The crystal is very realistic, and I agree with Bald Eagle, a different
> background could increase this realism.
> Another thing: the crystal is vertical and gives a strange feeling to be
> unaffected by the gravity... have you thought of adding a rock or
> something else as a base?
I understand the image as a very nice technical demonstration of shaping
and texturing gems. A base would hide some of the caustics. I think I
will have a look into this issue. I played a bit with photons too.
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