Cubicula - small room carved out of the wall of a catacomb, used as mortuary chapels, and in Roman times, for Christian worship.
The model comes without textures.
I attached a picture that I used as a reference.
BLEND (Blender, filesize: 48.6 MB), OBJ (OBJ, filesize: 42.4 MB), FBX (Autodesk FBX, filesize: 15.4 MB), STL (Stereolithography, filesize: 25.6 MB), ABC (Alembic, filesize: 15.9 MB)