UV / Normal map problem ???

[Erik Salaun]

Im finally done with my model and normal map, but i have another problem i just dont know how to solve. When I look at the model in blender everything works fine but after uplouding it to sketchfab the normal maps gets weird. Theres a box to check UV 0 or UV1. When I check UV0 only the back part of my gun has correct normals, when I check UV1 the front part is fine. But i cant have both at the same time. 

https://sketchfab.com/models/8e5609ea987c4e52bc145e8b936af757

[Jonathan Lampel]

Ok, I haven’t used UV0 vs. UV1 in Sketchfab, but it sounds like there are two separate UV layouts. To check, go to the UV Maps section of the object data properties and delete any layout that’s not the main one: 

[Erik Salaun]

thank you very much, I didnt know you can have multiple UV Maps. Thanks for the quick response! You guys are amazing, I love this website! 

[Jonathan Lampel]

Thanks Erik! Glad to hear both of those 🙂 

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