Multi Uv map problem

Support Modeling
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1

hello, I have a problem when I unwrap in the first UV layer and when I unwrap again in the second layer it puts the first layer in the second layer too, I can’t apply 2 textures because of that, does anyone know why? Please

Capture d’écran 2024-01-17 à 15.01.13
Capture d’écran 2024-01-17 à 15.01.131878×1046 724 KB

2

You didn’t create a UV map…
When you have a mesh unwrapped, you need a UV-Map and a Material. So in your case, you would need a UV-Map created for UVMap and UVMap.001…and it does look like you have a Material for UVmap and Material.001 but without the actual Map, nothing happens…

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3

I try everyting but there is a problem when i unwrap the UVMap.001 in the UV Editor blender crash when i trying to move it or zoom. I can successfully unwrap the UVs in UVMap.001, but when I try to edit it, it goes all over the place as shown in the picture in the top right.

Capture d’écran 2024-01-19 à 08.29.10
Capture d’écran 2024-01-19 à 08.29.102796×1710 3.23 MB

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4

Can’t tell anything from your selection above, just not enough information…It looks as if you unwrapped using a Cylindrical Projection

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…Just do a standard Unwrap and you will get better results…

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Also, in your Material, you have a UV node that you have marked as using “Automap”, there is not an Automap UV anywhere in your scene. You have to use the actual names of the Maps you see in the Data > UVmaps which in your case one should be “UVmap” for your decal.

Though there isn’t really and need to add a different UV just for a decal, when a mapping node and texture coordinate node would work ( though I admit a UV map is easier to get in the correct place) IMHO