O Ring Vedabras 13016 (Polygon mesh 3D model) is available on CGTrader for $2. Original author: BianchiStore-Official. Specs: 6364 polys, 19092 verts.
SLDPRT (SolidWorks, filesize: 430 KB), IGE (IGES, filesize: 28.2 KB), PDF (PDF, filesize: 20.3 KB), X_T (Parasolid, filesize: 2.78 KB), STL (Stereolithography, filesize: 311 KB)