How to surgically fix models that have bad UV mappings?

I have this model that has visual bugs like this throughout the foliage:
image

You’ll notice that there’s bits of the bark texture just floating out there next to the pine leaves. I’m not really sure how to fix that - I’m familiar with blender, but I’m not sure what sort of tool or functionality I should look up to fix this.

Any advice would be appreciated.

I moved to the tools topics and let me add @PirateJC and @PatrickRyan in case they have an idea

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Okay, thank you @sebavan

You mean fix this particular model? In Blender, you can drag UVs around in the “UV Editor”.

If the bark is too close and you cannot find a good drag position, you can always add extra vertices. I think the “Knife tool” should do the trick.

Or do you mean more generally: you need a proper UV layout with seams (which is manual, tedious bullshit work) but when I had issues with leaking colors, that fixed it for me. Other than that, and if you bake the texture yourself, play with the “Margin” setting in the baking panel. Or larger texture size. It could be that you just do not have enough space.

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If the bark is too close and you cannot find a good drag position, you can always add extra vertices. I think the “Knife tool” should do the trick.

That was exactly the tool I needed, thank you!