The following 3D model is known as "Modern Sculptural Adjustable Ring 3DM STL 3D print model 3" and is associated with author "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
STL (Stereolithography, filesize: 1.47 MB), 3DM (Rhinoceros 3D, filesize: 1.39 MB)