This specific 3D model, "Kids Pendants 3dm STL OBJ FBX Renders Details 3D print model 19", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
This specific 3D model is provided under the "Unknown license" framework.
STL (Stereolithography, filesize: 1.42 MB), OBJ (OBJ, filesize: 3.96 MB), FBX (Autodesk FBX, filesize: 655 KB), 3DM (Rhinoceros 3D, filesize: 2.31 MB)