This specific 3D model, "Guard Tower Low-poly 3D model get", is an asset made available by "Unknown author".
Can be downloaded at "Unknown platform" by following the link.
The license for this digital asset is "Unknown license".
MAX (Autodesk 3ds Max, filesize: 652 KB), BLEND (Blender, filesize: 725 KB), OBJ (OBJ, filesize: 117 KB), FBX (Autodesk FBX, filesize: 67.2 KB), MA (Autodesk Maya, filesize: 165 KB), GLTF (glTF, filesize: 20.3 MB), 3DS (3D Studio, filesize: 45.7 KB), DAE (Collada, filesize: 167 KB), TEXTURES (Textures, filesize: 9.64 MB), UNITYPACKAGE (Unity 3D, filesize: 4.93 MB)