This specific 3D model, "Stylized 3D Mechanic Sitting on Car Bumper - Cartoon 3D model purchase", 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: 5.14 MB), OBJ (OBJ, filesize: 4.22 MB), FBX (Autodesk FBX, filesize: 14 MB), GLTF (glTF, filesize: 451 KB)