A package of ring heads engagement anniversary 3 prong printable 3D print model 3D model is available on CGTrader for $3. Original author: BlinkJewellers.
STL (Stereolithography, filesize: 11.7 MB), OBJ (OBJ, filesize: 18.1 MB), 3DM (Rhinoceros 3D, filesize: 25.2 MB), FBX (Autodesk FBX, filesize: 2.46 MB)