Derawar Fort 3d Low-poly 3D model is available on CGTrader for $12. Original author: kiranajmal88. Specs: 1236 polys, 824 verts.
OBJ (OBJ, filesize: 116 KB), PNG (PNG, filesize: 120 MB), MA (Autodesk Maya, filesize: 124 KB), FBX (Autodesk FBX, filesize: 704 MB)