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@vitorfurlerbr Thanks! I'm actually working on this issue right now in Blender. The original model has a very messed-up UV mapping for the body textures, so I basically have to redo it from scratch.
Since most of my previous 3D experience comes from 3D printing, I'm still learning texturing, so progress is a bit slower than I'd like.
Hopefully, I'll be able to fix this in a future update and make custom liveries possible!