{
  "type": "minecraft:crafting_shaped",
  "pattern": [
    "B",
    "C"
  ],
  "key": {
    "B": {
      "item": "create:precision_mechanism"
    },
    "C": {
      "item": "create:brass_casing"
    }
  },
  "result": {
    "item": "create:rotation_speed_controller"
  }
}