Check out Guard Tower Low-poly 3D model on CGTrader for $8. High-quality mesh by rescue3dcom: 711 polys, 503 vertices. Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 632 KB), BLEND (Blender, filesize: 668 KB), OBJ (OBJ, filesize: 83.1 KB), FBX (Autodesk FBX, filesize: 55.6 KB), MA (Autodesk Maya, filesize: 122 KB), GLTF (glTF, filesize: 6.57 MB), DAE (Collada, filesize: 139 KB), 3DS (3D Studio, filesize: 34.2 KB), TEXTURES (Textures, filesize: 14.2 MB), UNITYPACKAGE (Unity 3D, filesize: 7.06 MB)