Demon Cathedral

A collection of 3D printable Demon Cathedral STL files, built with the OpenLOCK System modular framework, for fantasy RPGs, skirmish games, and wargames like Dungeons & Dragons or Warhammer. Perfect for summoning dread and grandeur in your campaign’s darkest strongholds.

This collection includes demonic arches, stained glass windows with infernal motifs, towering spires, flying buttresses, and modular wall & roof segments. All are highly detailed STL files, optimized for home 3D printing. Pair with our Gothic Industrial Terrain to complete the atmosphere.