UVChecker Find general uv errors Check Numbers 0. Udim border intersections 1. Unmapped polygon faces 2. Zero-area UV faces 3. Unassigned UVs 4. UVs in negative space 5. Concave UV faces 6. Reversed UVs Flags Longname Shortname Argument types Default Properties Description check c integer C uvArea uva double 0.000001 C uvSet us string current uv set C Set what uv set you want to us maxUvBorderDistance muvd double 0.0 C Ignore UVs close to udims borders for "Udim border intersections" check verbose v bool False C Example from maya import cmds errors = cmds.checkUV("|pSphere1", c=0) print errors >>> [u'|pSphere1|pSphereShape1.map[19]', u'|pSphere1|pSphereShape1.map[20]', ...]