Recreate UVs Per Face
From Nevercenter 3D Modeling Wiki
Default Shortcut: None
Menu Path: UVs/Materials > Recreate UVs > Per Face
Recreates selected UVs by separating each face and arranging them in the 0-1 UV tile.
- This command can be applied to component selections (such as selected faces) if you only want to recreate UVs for part of the object.