Check out castle wall Low-poly 3D model on CGTrader for $2. High-quality mesh by lukass12: 325 polys, 140 vertices. Textured, UV Mapped.
STL (Stereolithography, filesize: 31.5 KB), OBJ (OBJ, filesize: 344 KB), 3DS (3D Studio, filesize: 343 KB), BLEND (Blender, filesize: 746 KB), DAE (Collada, filesize: 353 KB), FBX (Autodesk FBX, filesize: 358 KB), OTHER (Other, filesize: 344 KB)