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. 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.