{
  "type": "minecraft:crafting_shaped",
  "category": "misc",
  "key": {
    "e": {
      "item": "immersiveengineering:electron_tube"
    },
    "r": {
      "tag": "c:rods/steel"
    },
    "w": {
      "item": "ftbmaterials:copper_wire"
    }
  },
  "pattern": [
    "eee",
    "rwr"
  ],
  "result": {
    "count": 1,
    "id": "immersiveengineering:toolupgrade_revolver_electro"
  }
}