Pack UV Islands Node
The Pack UV Islands Node scales islands of a UV map and moves them so they fill the UV space as much as possible.
The Pack Islands(アイランドを梱包) operator performs a similar operation in the UV editor.
The UV map to modify.
Faces to consider when packing islands. UVs that are part of any other face will not be affected.
The distance to leave between UV islands.
Allow Rotating islands for best fit.
The modified UVs.