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Normal mapping is an efficient technique for simulating bumps and wrinkles on the surface of an object by perturbing the surface Normals to redirect light that hits the surface of the object.

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How does normal map work?

I don't understand how normal map works on surface of the cube. I shaded smooth my high poly and turn off auto smooth,on low poly I turned off auto smooth, it seems that normal map baked correct but s …
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