This page contains free "stairs brick wall Low-poly 3D model order", which is a work by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
OBJ (OBJ, filesize: 17.3 MB), BLEND (Blender, filesize: 17.3 MB), FBX (Autodesk FBX, filesize: 17.3 MB)