Life Buoy Ring (Polygon mesh 3D model) is available on CGTrader for $50. Original author: arc-3dasia. Specs: 12872 polys, 6438 verts.
STL (Stereolithography, filesize: 333 MB), OBJ (OBJ, filesize: 1.91 GB), C4D (Cinema 4D, filesize: 66 MB), MEL (Maya Mel Script, filesize: 238 MB), MA (Autodesk Maya, filesize: 410 MB), BLEND (Blender, filesize: 1.94 GB), FBX (Autodesk FBX, filesize: 48.9 MB), MAX (Autodesk 3ds Max, filesize: 116 MB)