The adventures new that the depths of the sewer system tunnels hid some rather unsavory smells and possible dangers, but also the potential for some rewards. They entered the sewers through the grate hole and descended the rickety wooden ladders in rather tight quarters and descended one by one slowly into the interconnected system.
A few days ago I produced the bricked and sealed entrance to the sewer system. Now I have added 4 new 2 by 2 inch 28mm gaming tiles that are stackable with that tile. I didn't see any tiles out there that gave the true claustrophobic conditions of a tunnel descent with the potential to stack and create passageways. This is a great way to track and show the paths into the depths. The tiles have pegs and holes to allow a more solid stacking. The holes may need to be cleaned out a bit based on your printer accuracy to allow tight stacking fits.
These are purposely created with one side open and another side with a 45 degree angled wall. This is to allow being able to see into the tunnels as well as miniature movement.
Tiles have details such as the surrounding stone, sandy floor and old wooden propped open doorways and pipe systems. I chose to paint the outsides as more of solid mud cracking, but the texture is such that stonework with a different color will work as well.
Only a little bit of support may be required for the wooden steps. The side passage tiles will require minor support at the passage.