This specific 3D model, "Halloween pumpkin Low-poly 3D model 10", is an asset made available by "Unknown author".
You can download this asset for free at "Unknown platform" by following the link.
The license for this digital asset is "Unknown license".
BLEND (Blender, filesize: 175 KB), OBJ (OBJ, filesize: 144 KB), FBX (Autodesk FBX, filesize: 102 KB), GLTF (glTF, filesize: 37.8 MB), STL (Stereolithography, filesize: 88.9 KB), TEXTURES (Textures, filesize: 68.1 MB)