{
    "type": "minecraft:crafting_shaped",
    "pattern": [
        "###",
        "#D#",
        "#O#"
    ],
    "key": {
        "#": {
            "item": "minecraft:iron_bars"
        },
        "D": {
            "item": "minecraft:diamond_block"
        },
        "O": {
            "item": "minecraft:obsidian"
        }
    },
    "result": {
        "item": "minecraft:spawner",
        "count": 1
    },
    "group": "spawner"
}