This fixes most of the UV distortion issues with subsurf. Near seams however there might still be some distortion, but this should at least not be worse than before. Subsurf UV is enabled by default on new meshes, and can be enabled in the modifier panel for existing ones. Before and after: http://users.pandora.be/blendix/notsmooth.png http://users.pandora.be/blendix/smooth.png