The file Print-Pack.7z includes the following ( as object and stl formats)
Corridor (complete)Corridor split, left and rightFloorDoor ADoor BEnd-CapTray
The preview files should explain the usage of the Print-pack files.
STL (Stereolithography, filesize: 2.3 MB), OBJ (OBJ, filesize: 4.18 MB), BLEND (Blender, filesize: 2.2 MB), ABC (Alembic, filesize: 1.43 MB), DAE (Collada, filesize: 2.75 MB), FBX (Autodesk FBX, filesize: 567 KB), GLTF (glTF, filesize: 1.01 MB), 3DS (3D Studio, filesize: 684 KB), LWO (Lightwave, filesize: 1.46 MB), USDZ (USDZ, filesize: 920 KB), WRL (VRML, filesize: 5.65 MB)