No one ever reads this so why bother making a decent post.

By combining a displacement map with the wood grain texture generation when cutting, you can create textures of 3D woodcuts. I did this a while ago so I don’t really remember, but basically, you just replace/combine R with the displacement map.

displacement map

Combine the displacement map when cutting

Add some color

UV map

 

shown overlaid

 

normal (from displacement map)

 

result