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sw2349600
sw2349600
Inspiring
May 10, 2023
Question

Paints in multiple places at once on the mesh

  • May 10, 2023
  • 1 reply
  • 7186 views

Hi, 

New to Substance Painter. Just wondering why when I paint, it paints in multiple spots on the mesh instead of just one spot? I have mirroring turned off,  I have "UV" set in the Alignment on the brush setting and in the new project I have Use UV Tile Workflow checked. 

 

From blender it's just 1 material and 1 mesh. Do I need to assign more materials or set it up somehow so it doesnt do this? Or is this something I can fix in SP? 

 

Thanks!

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1 reply

Cyril Dellenbach
Community Manager
Cyril DellenbachCommunity Manager
Community Manager
May 11, 2023

Hi @sw2349600,

 

My first guess would be overlapping UVs. Can I have a look at your UVs ?

 

Keep me posted.

 

Cyril Dellenbach (Micro) | QA Support Artist | Adobe
sw2349600
sw2349600Author
Inspiring
May 11, 2023

Thanks, how do I show the UV map in SP? I only see the textured version (attached).

Cyril Dellenbach
Community Manager
Cyril DellenbachCommunity Manager
Community Manager
May 11, 2023

No problems, it's textured but those are still your UVs. It seems they're indeed overlapped. Basically, the UVs are the 3D model unfolded in a 2D space. Therefore, if the UVs are overlapping, it's as they're in the same space, creating the issue you're facing.

 

You'll need to rebuild the UVs and reimport the mesh. You can take a look at our tutorial about Model Preparation for Substance 3D Painter, or (if you don't want to bother with UVs) you can use the Auto-Unwrap option.

 

 

Just make sure to switch the Seams parameter to Recompute all in the Options.

 

Best regards,

 

Cyril Dellenbach (Micro) | QA Support Artist | Adobe
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