Geometry nodes modifier to unwrap a mesh with the option to rotate the uv islands to a world space direction. Great for things like rocks with drips where the UVs need to be vertical.

This modifier combined with my uv unwrap modifier makes procedural geometry exportable without applying the modifiers, creating UVs and setting texel density each time. Real-time on meshes under around 10k triangles.

 Requires Blender 3.5 or higher.