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In this Blender tutorial we'll explore the tips and tricks of creating the advanced glass shader in Cycles, without compromising the quality (too much).

Sometimes the User Manual is too technical and doesn't explain things in a way that us artists can easily understand. That's why we've taken it upon ourselves to write these posts and explain Cycles, with its plethora of nodes and properties, in simple and practical terms that you can relate to.

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Ref this image: http://i281.photobucket.com/albums/kk234/Dee390/CheckDisc.jpg However the underlying geometry could be a simple plane, but the projected UV orientation is what would create disk mapping. Basically, how the heck do I get the circular appearance mapped onto a rectangle? I tried reorienting the UVs so it looked like a spider web, but the result wasn’t really what I expected.