{
    "type": "forge:ore_shaped",
    "pattern": [
        "MMM",
        "MGM",
        "MMM"
    ],
    "key": {
        "M": {
            "item": "#OBSIDIAN"
        },
        "G": {
            "item": "#GLASS"
        }
    },
    "result": {
        "item": "ironchest:diamond_obsidian_chest_upgrade"
    }
}