When baking normal map some details appear convex instead of concave

Piksel207 · Nov 2020

I am using Marmoset Toolbag 3.08 and as can be seen in this image some screws look as intended (top left) and some are wrong (bottom right)
The normals are all good, and all screws are a decal that uses single screw normal map so they should appear the same, but only some do are.

Image: https://us.v-cdn.net/5021068/uploads/editor/4o/fdz2jdhilc41.png

Any help would be appreciated

EarthQuake · Nov 2020

This may be due to UV orientation. Is the UV island on the bottom upside down compared to the one on top?

Is this something you notice when viewing the final lit result, or just when looking at the texture map preview?

When baking normal map some details appear convex instead of concave

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