{
    "variants": {
        "": [
            { "model": "block/iron_block" },
            { "model": "block/iron_block", "y": 180 },
            { "model": "block/iron_block", "x": 180 },
            { "model": "block/iron_block", "x": 180, "y": 180 }
        ]
    }
}