goes to sea with the Terrain Mat.
From Gallant Knight Enterprises
STL (3D Model) – $5.99 USD
This generic Small Bunker With Removable Roof is a 28mm (1:58 scale) STL model, suitable for WWI, WWII, Modern, and science-fiction games.
This model comes in two parts. Print the bottom part with the floor on the print bed, and the roof upside down.
This model can be scaled to different sizes:
25mm (1:64) – 90%
28mm (1:58) – 100% (default scale)
32mm (1:54) – 115%
54mm (1:30) – 193%