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I'm trying to create a wine bottle, but I get very unrealistic looking glass results:

enter image description here, what I want to achieve is something like this:

Sample wine bottle,

I fail in the first stage of material. How do I get this? No matter where I light the bottle from, those arc don't go away and the bottle material is very unsatisfactory.

Here is the blend:


marked as duplicate by iKlsR Sep 29 '17 at 4:26

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