Check out Old door with little polygon Low-poly 3D model on CGTrader for $10. High-quality mesh by AcarStudyo: 5672 polys, 2884 vertices. UV Mapped.
STL (Stereolithography, filesize: 277 KB), OBJ (OBJ, filesize: 393 KB), BLEND (Blender, filesize: 2.4 MB), FBX (Autodesk FBX, filesize: 171 KB)