Any chance you can put the other directions up?

IE: There is a corner piece that goes cavern to dungeon, but not one that goes dungeon to cavern, so it can only be used one way.

The straight wall transition piece isn't really a transition piece - it is a straight wall with some rock coming out of it, rather than a cavern wall turning into a dungeon wall, and vice versa.

Thanks!

The piece with a single column is modeled incorrectly, blocking the dragonlock.