Russian sewer lid - 5 Low-poly 3D model is available on CGTrader for $3. Original author: mostudio-print-3d. Specs: 48 polys, 65 verts.
STL (Stereolithography, filesize: 13.9 KB), OBJ (OBJ, filesize: 19.5 KB), 3DS (3D Studio, filesize: 7.33 KB), DXF (DXF, filesize: 50.6 KB), BLEND (Blender, filesize: 97.9 KB), FBX (Autodesk FBX, filesize: 63.8 KB)