PBR Metal Gate A3 Low-poly 3D model is available on CGTrader for $6. Original author: DaikLord3D. Specs: 506 polys, 692 verts.
MA (Autodesk Maya, filesize: 469 MB), OBJ (OBJ, filesize: 469 MB), FBX (Autodesk FBX, filesize: 469 MB), MAX (Autodesk 3ds Max, filesize: 469 MB), GLTF (glTF, filesize: 469 MB), ABC (Alembic, filesize: 469 MB), PNG (PNG, filesize: 469 MB), DAE (Collada, filesize: 469 MB), UNITYPACKAGE (Unity 3D, filesize: 469 MB), UASSET (UnrealEngine, filesize: 469 MB), JPG (JPG, filesize: 469 MB), USDZ (USDZ, filesize: 469 MB), 3DS (3D Studio, filesize: 469 MB)