{
  "type": "minecraft:crafting_shaped",
  "pattern": [
    "XX ",
    "XXX",
    " X "
  ],
  "key": {
    "X": {
      "tag" : "forge:cobblestone"
    }
  },
  "result": {
    "item": "sledgehammers:stone_knob",
    "count": 1
  }
}