This specific 3D model, "Decorative Ceiling Tile 3D model 6", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
The license for this digital asset is "Unknown license".
BLEND (Blender, filesize: 36.3 MB), OBJ (OBJ, filesize: 401 MB), FBX (Autodesk FBX, filesize: 138 MB)