One of the things that is hard to do when drawing these is avoiding too much symmetry.
The other item, it appears, is remembering to mark where corridors go under other dungeon features. Wow. Seems I forgot to draw in the corridor leading under the room and passage on the west side of this one. Oh well – it’s pretty obvious where they go.

Geomorph 8d
Yes, the central temple of the Frog God cult!