{
  "type": "minecraft:crafting_shaped",
  "pattern": [
    "RIR",
    "IBI",
    "RIR"
  ],
  "key": {
    "R": {
      "item": "minecraft:rotten_flesh"
    },
    "I": {
      "item": "minecraft:iron_ingot"
    },
    "B": {
      "item": "minecraft:bone"
    }
  },
  "result": {
    "item": "minecraft:knowledge_book"
  }
}
