plane ring without gem stones
Native Formats: 3DM (Rhinoceros 3D, filesize: 13.6 MB)
Exchange Formats: OBJ (OBJ, filesize: 36.3 MB), FBX (Autodesk FBX, filesize: 5.72 MB), STL (Stereolithography, filesize: 13.9 MB), 3DS (3D Studio, filesize: 6.57 MB)