{
    "type": "computercraft:impostor_shaped",
    "group": "computercraft:upgrade_turtle_${turtle_family}",
    "pattern": [
        "#T"
    ],
    "key": {
        "#": { "item": ${upgrade_item} },
        "T": { "item": "${turtle_item}", "data": 0 }
    },
    "result": { "item": "${turtle_item}", "data": 0, "nbt": { "rightUpgrade": "${upgrade_id}" } }
}