Weird Bake in Substance Painter

[robdomenech]

When I try to bake the entire tire with the rubber, wheel and valve stem, I get a very weird baking result. If I only do the rubber portion, it looks fine. Any ideas what I need to check to fix this?

Thanks!

[Omar Domenech]

I have never used Substance, but maybe I can take a guess and say that that looks as if there are other objects in the scene blocking the main mesh? @chunck will know more.

[Adrian Bellworthy]

Check your normals, 
incorrect normal direction is often a source of this type of issue.

[Martin Bergwerf]

And maybe the wheel is slightly offset from the rubber (in Blender). (Sometimes you move things accidentally, without noticing…)

[Author]

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