This specific 3D model, "SciFi Helmet 3D model buy", 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: 71.5 MB), OBJ (OBJ, filesize: 127 MB), FBX (Autodesk FBX, filesize: 192 MB), GLTF (glTF, filesize: 88 MB), PNG (PNG, filesize: 63.6 MB), USDZ (USDZ, filesize: 140 MB)