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Can you have overlapping UVs in substance painter?
You can have overlapping UVs to have textures repeat and save some space, but you might have to paint out some AO.
Are overlapping UVS bad?
There’s nothing wrong with UV maps overlapping. Depending on what you’re looking to unwrap, you may wish to use Cube Projection, Sphere Projection or Cylinder Projection instead of simply UV unwrapping by default. You can find these options below “Unwrap” in the “UV” dropdown. You may also wish to use Smart UV Unwrap.
Is it possible to make overlapping UV’s in Blender?
Yes, there is definitely added value from having good overlapping UV as well, to improve texel density. But assuming you have some well laid out UV, and your target isn’t game use, it doesn’t seem to me that it would be that hard to add an extra UV map where you just hit ctrl-a, ctrl-p to make it non-overlapping.
How to do UV workflow with Substance Painter?
I have a few questions about uv´s, maybe someone could answer them to clear things up for me. Create Asset -> Unwrap -> Export UV out -> create normal map, ambient, diffuse and so on -> import your mesh into SP with the normal map or if you want the ambient etc. maps -> ready for SP.
When do you need non overlapping UV’s in textures?
If people want to freely edit textures (or create textures), then they need non-overlapping UV. Here, let’s say you make a fully textured character model, with mirrored UV, and sell it, and then the person that buys it wants to create an asymmetrical tattoo on that character.
What can you do with a substance painter?
You can use Painter for complex models such as characters, props and environments. However, its best to think of Painter for use with characters and props. Creating tiling textures for environments is better suited for Designer. Painter works more specially with direct painting to UV shells.