Inspired by one piece chain ring. It is ready to print and already printed. In two pieces. Very light and kind design for a big ring.
STL (Stereolithography, filesize: 8.24 MB), OBJ (OBJ, filesize: 92.4 MB), FBX (Autodesk FBX, filesize: 34.9 MB), 3DM (Rhinoceros 3D, filesize: 35 MB)