From : https://bronzeboobs.com/
This is a moter pan, used in construction work. its a used piece.
STL (Stereolithography, filesize: 76.5 MB), OBJ (OBJ, filesize: 76.5 MB), DAE (Collada, filesize: 76.5 MB), GLTF (glTF, filesize: 76.5 MB), FBX (Autodesk FBX, filesize: 76.5 MB), PLY (Ply, filesize: 76.5 MB)