I’ve been following @Dad72 's development of the underground/dungeon tunnels in his “Project Realm Crafting” thread and wondering when it might be finished and available.
At the same time I have been working on my “Merlin and Morgana” world and decided to try making my own “tunnels”. Here is the result : Tunnels
Built from instances of tunnel pieces that I can snap together. Now to work on the scene changing apect of the world L 
cheers, gryff
It’s almost finished. I just have to liaise with the editor. As for availability, I’m not sure. It can be end of the year or after, or before. It depends on the time I have available and at the moment I’m progressing much less, so I don’t really know when I could make it all available.
However, it cannot be used outside of the Realm Crafting editor and games generated with it. Cellar models are licensed for use only in my editor.
I like what you’ve done with your tunnels.
Super nice! You could add some candles as point light sources and lower the ambient lighting to give a more sinister 
feel 