This specific 3D model, "Sport Suit Low-poly 3D model 39", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
Usage of this 3d asset is subject to the "Unknown license" agreement.
STL (Stereolithography, filesize: 482 KB), OBJ (OBJ, filesize: 613 KB), BLEND (Blender, filesize: 925 KB), GLTF (glTF, filesize: 462 KB), FBX (Autodesk FBX, filesize: 942 KB), ZPAC (Marvelous Designer, filesize: 7.44 MB)