Check out Medieval tower castle and stable Low-poly 3D model on CGTrader for $16. High-quality mesh by pulex1: 7839 polys, 10587 vertices. PBR, Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 5.27 MB), OBJ (OBJ, filesize: 1.58 MB), FBX (Autodesk FBX, filesize: 608 KB), 3DS (3D Studio, filesize: 761 KB)