I'm currently creating 3D versions of the Oathsworn hex terrains. I didn't take the terrain pack, as I wanted to use it as a modeling exercise.
If other people want to do the same, here's a good basis: every possible terrains hex in the game at the right measurements. They are 2mm thick. You'll find inside :
2 and 4 hexes don't exist in the game, but I put them in, while I was at it.
The author marked this model as their own original creation.