Beautiful stuff Nick! Super moody!

GitHub - leukbaars/DreamUV: DreamUV - 3D viewport UV editing tools for Blender DreamUV - 3D viewport UV editing tools for Blender - leukbaars/DreamUV

Bram Eulaers made a set of UV tools a while back for blender that might have what you need.

github.com/leukbaars/Dr...