Check out Involute Rack Low-poly 3D model on CGTrader for $2. High-quality Polygon mesh mesh by VSJP1000: 300 polys, 200 vertices.
STL (Stereolithography, filesize: 12.4 KB), OBJ (OBJ, filesize: 17.5 KB), 3MF (3D Manufacturing File, filesize: 5.16 KB), OTHER (Other, filesize: 62.3 KB), STP (STEP, filesize: 87.4 KB), IGE (IGES, filesize: 158 KB), DAE (Collada, filesize: 13.8 KB)