Weird light artifacts after baking and exporting

zzkkll · Sep 20 2025

Hi! i'm having issues with the normal map (i think). It's giving me these weird light artifacts when i import the textures into another software

My workflow is: UVs in blender, then bake and texture in substance, then export textures and import them in blender

Image: https://us.v-cdn.net/5021068/uploads/editor/ik/uypjmlxxappm.jpg

Image: https://media.discordapp.net/attachments/869803716390289488/1419044245062549524/image.png?ex=68d05370&is=68cf01f0&hm=ef58436f04da364a6e4e326a4e69187ddee9b61630a6368c1707b7fe5e35d0f3&=&format=webp&quality=lossless

this is how it looks in blender

Image: https://media.discordapp.net/attachments/869803716390289488/1419044387354185889/image.png?ex=68d05392&is=68cf0212&hm=a6b527ba595dde1ad41ed0b23724fea0e77b3f6e4e0f12cd4715d7bc22075643&=&format=webp&quality=lossless

substance painter

Image: https://media.discordapp.net/attachments/869803716390289488/1419044706897100850/image.png?ex=68d053de&is=68cf025e&hm=de77433ed10a9c490130eb2003492570e4899e4d1250954fa1a0d916b583367d&=&format=webp&quality=lossless

Also tried importing into Marmoset

Image: https://us.v-cdn.net/5021068/uploads/editor/cv/rdqisq2s377s.jpg

UVs

I guess it has something to do with triangulated quads or something, since thats how the light looks, like it's triangulated.
However, i've textured before like this and never had this issue, always worked with quads, never with tris, so i'm not sure about what i'm doing wrong.
Any help is more than welcome, thanks!

Fabi_G · 7:42AM

Hi! Blender has a Triangulate modifier (keep normals option to preserve shading), which makes it easy to work with quads and triangulate on export. I recommend triangulating to ensure topology (and as a result mesh shading) is the same across softwares.

Since you shared UV layout, I'll note that there's a lot of unused space and lots of UV borders/ strips not being straightened, likely leading to aliasing along UV seams.

There might be other things contributing to the final result (hard edges without UVs is a common one). If you want a thorough look, you need to share files.

Weird light artifacts after baking and exporting

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