{
  "type": "minecraft:crafting_shaped",
  "key": {
    "W": {
      "item": "minecraft:iron_ingot"
    },
    "o": {
      "item": "minecraft:obsidian"
    },
    "i": {
      "item": "shieldexp:iron_shield"
    }
  },
  "pattern": [
    "oWo",
    "WiW",
    "oWo"
  ],
  "result": {
    "item": "minecraft:shield"
  }
}