{
    "type": "minecraft:crafting_shaped",
    "key": {
      "d": {
        "tag": "c:gems/diamond"
      },
      "g": {
        "tag": "c:gold_ingots"
      },
      "i": {
        "tag": "c:iron_ingots"
      },
      "r": {
        "tag": "c:redstone_dusts"
      },
      "u": {
        "item": "mininggadgets:upgrade_empty"
      }
    },
    "pattern": [
      "dig",
      "dur",
      "dig"
    ],
    "result": {
      "item": "mininggadgets:mininggadget"
    }
  }