This specific 3D model, "SciFi Shape Object Low Poly Low-poly 3D model 16", is an asset made available by "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: 1.43 MB), OBJ (OBJ, filesize: 3.02 MB), C4D (Cinema 4D, filesize: 1.37 MB), 3DS (3D Studio, filesize: 768 KB), FBX (Autodesk FBX, filesize: 9.97 MB)