Boundary Alignment Tools Icon_UVEditor_Alignment_AlignBoundaryΒΆ

Aligns the selected polygons or UV islands with the bound box of the last one.

UModeler_UVEditor_BoundaryAlignment_0 UModeler_UVEditor_BoundaryAlignment_1

The number means the order of selection. When you go to Align Boundary Tool, 1st~5th elements will be aligned with the bound box of the 6th element.