This is awesome! Just started using hterrain on 3.5 but this might be what pushes me to move to 4.x completely.

The import workflow is especially exciting, gonna try using world machine as a starting point and then sculpting out/texturing the details.

Since it doesn't have holes I'm wondering what the best way to have a cave/well would be. Door to another instance? portal?

This person said, they would compare their own terrain system with this one. Let's see which one's more performant...