I'm not sure what you mean about compensating for positive numbers. negative numbers in the bump setting give the illusion of raised surfaces where it is darker while positive numbers give the illusion of depressions. your earlier suggestion of using -.05 gave the illusion that the clothing was on top of the skin but now that i added the skin as a bump using a value of .01 (a positive number) the clothing does not give the appearance of being on top of the skin.

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