Check out my latest tutorials (2 part) on how to dirty up glass objects such as wine cup. You can download the source scene on my blog as well to follow along.

Download the source scene and written tutorial:
https://cgsketch.com/blog/tutorial-h...e-glass-dirty/

Part 1:


Part 2:



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Jonathan Sanchez
Mister Archviz
CGSketch.com/blog