This specific 3D model, "Sport Suit Low-poly 3D model 75", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
The licensing terms for this digital asset are governed by "Unknown license".
STL (Stereolithography, filesize: 250 KB), OBJ (OBJ, filesize: 418 KB), FBX (Autodesk FBX, filesize: 671 KB), ZPAC (Marvelous Designer, filesize: 6.37 MB), GLTF (glTF, filesize: 381 KB), BLEND (Blender, filesize: 589 KB)