{
  "type": "minecraft:crafting_shaped",
  "pattern": [
    "AAA",
    "A A",
    "AMA"
  ],
  "key": {
    "M": {
      "item": "minecraft:iron_ingot"
    },
    "A": {
      "item": "minecraft:iron_nugget"
    }
  },
  "result": {
    "item": "mmorpg:jewelry/necklace/iron"
  }
}