Also, 3dCoat has a feature which allows you to transfer the textures of one UV map to another, which would be extremely useful if you're re-meshing an object. For example, you can simply retopo the triangulated mesh with clean, sensible quads, then unwrap as you wish, and transfer the previous textures over to the new model. I believe Mari 2.6 and above also has a texture transfer utility that can do the same thing, once you have a new mesh.

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