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What is causing this issue with normals baking?

New Here ,
Aug 19, 2022 Aug 19, 2022

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Hi, I'm having a strange issue with my bake where this big teardrop shapes appear in the normal map (but only the normal map). Messing with settings like frontal/rear distance has done nothing to improve them. These shapes don't appear on the high-poly or low-poly mesh, only once I do the actual bake. Does anyone know what is causing this issue? I've attached images of the problem as well as my bake settings.

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Baking , Discussion

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Community Expert ,
Aug 21, 2022 Aug 21, 2022

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Hi

Can you provide a link to the high and low poly mesh files, I'll take a look here.

Dave

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New Here ,
Aug 22, 2022 Aug 22, 2022

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Here, I attached the low poly and this dropbox has the high poly. Thanks for taking a look at it!

 

https://www.dropbox.com/s/s5grtzj97vknnqv/round%202%20assets%20open%20crate%20bake_high.fbx?dl=0

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Community Expert ,
Aug 22, 2022 Aug 22, 2022

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Hi

I'm not seeing that issue here with the front and rear settings at the default 0.01

However - the mesh you posted was not unwrapped. So I did use the auto-unwrap at it's defaults on importing.  I wonder if the issue you are seeing is with the unwrap rather than the bake.

 

 

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New Here ,
Aug 23, 2022 Aug 23, 2022

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Huh, it's still unclear why that happened in the first place but unwrapping it does seem to have solved the issue. Thank you so much!

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Community Expert ,
Aug 23, 2022 Aug 23, 2022

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The unwrap you use previously may have had some overlapped islands i.e. two parts of the mesh faces sharing a single part of teh UV map.

Dave

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