Check out A package of solitaire ring heads engagement 8 prong printable 3D print model purchase 3D model on CGTrader for $4.9. High-quality mesh by BlinkJewellers. 3D Print Ready.
STL (Stereolithography, filesize: 27.8 MB), OBJ (OBJ, filesize: 16.2 MB), 3DM (Rhinoceros 3D, filesize: 23.7 MB), FBX (Autodesk FBX, filesize: 1.95 MB)