Op 25/10/2021 om 08:47 schreef MichaelJF:
>> 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?
>>
>>
>> Paolo
>>
> 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.
> 
Correct. My primary purpose was to demonstrate the crystal by itself, 
without the - secondary - scene additions.

It is my understanding that part of the caustics would probably remain 
visible on a supporting rock. Jaime's images show them iirc.

-- 
Thomas

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