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From reinhard.pieper@web.de:
Nice image and composition. Maybe the wooden texture could be improved. 

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From aargri@gmail.com:
The glass shader is spot-on, but the wood looks off a bit. I don't know how, but
it just looks more plastic than wood.
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From tek@evilsuperbrain.com:
I have to admit my grasp of physics is too limited to understand the concept
behind this image! Nice picture though. Though there's a hard edge on one of
the nebula in the background that kinda spoils it for me.

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From marlo.steed@uleth.ca:
Nice concept and like the juxtaposition of the elements.

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From tomvw87@hotmail.com:
Really deep concept, makes you think, pretty good modeling-work too!

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From file:
Glass is very good, and the sky is awesome, but there appears to be a lack of
sand in the hourglass..
Notable for lighting


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From file:
Very nice piece of work!
Notable for modelling, textures


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From file:
Notable for composition


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From file:
cool