macro paper reference

( You can create a shortcut to the script )

Packing Options – Scale Optimization

If you have distorted, a see-through-effect or just a strange view behaviour of your mesh in substance painter you should check your polygon-normals. They can cause an error if their direction is reverse. Painting should also be producing only errors, also with a correct uv-layout.

Export UV Map as png, jpg, bmp, .. go to „Files – Export UV“ for Photoshop or any other programm with UDIM Tiles.

double-click on the button in „edit palette“-mode