Can you copy and paste UVs in Maya?

You can copy UV, shader, and color per vertex attributes between faces of different polygon meshes using the Mesh > Clipboard Actions features. It is also useful for copying attributes between meshes that have differing topologies. You can only copy attributes between polygon faces that have similar vertex counts.

How do I transfer a UV map in Maya?

Transfer UVs between meshes Duplicate your polygon mesh. On the duplicate, select the vertices you want to smooth. Select Edit Mesh > Average Vertices > . In the Average Vertices Options that appear, set the Smoothing amount then click Apply.