Regelbau 656 German Bunker - WW2 Wargaming Terrain Atlantic Wall

Print. Paint. Play.

Bring authenticity and fortification to your tabletop with this Regelbau 656 Bunker, a highly detailed STL model based on WWII-era German Atlantic Wall shelters. This printable terrain piece is designed for home FDM 3D printers such as the Creality K1, Ender 3, or similar machines. Ideal for 28mm–32mm scale wargames and dioramas.

This model captures the iconic structure and utilitarian design of the historical Regelbau 656, featuring:

Reinforced bunker form with realistic recessed doors and firing slits
Compact, easy-to-print shape with minimal support needed
Flat-bottomed base for stable placement on your board or layout

The files are set at 28mm (1:56) scale and optimized for FDM printers such as the Ender 3 Pro. They can be easily resized for other scales:

114% = 32mm (1:50)
100% = 28mm (1:56)
77.77% = 20mm (1:72)
64% = HO (1:87)
56% = 15mm (1:100)

Scale compatibility:

15mm (1:100): Flames of War, Team Yankee

20mm (1:72): Popular with model kit builders

28mm (1:56): Bolt Action, Chain of Command, Spectre Operations, Zona Alfa, Black Ops, Skirmish Sangin, Force on Force

32mm (1:50): Zombicide, Fallout: Wasteland Warfare, Cyberpunk RED