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Have you looked at the Getzoo labyrinth houses Serendipity?
They're mostly a good size but tend to have less rooms inside so the rooms are a bit bigger, most of the Rodipet ones have quite a few rooms in which tends to make them a bit on the small side.
I was going to get a new Rodipet one but got tired of waiting for the one I liked to come back into stock so went for a Getzoo one & once it arrived I was glad I did.
The height is about the same, not very high but the idea is that they burrow down in the substrate underneath anyway.

This is the one I have but the Zany is even bigger, maybe more syrian size, you really don't need the little ramp so you can get rid of the small space behind it & just have three decent size spaces.