{
  "type": "minecraft:crafting_shaped",
  "key": {
    "#": "#minecraft:planks",
    "-": "minecraft:stone_slab",
    "I": "minecraft:stick"
  },
  "pattern": [
    "I-I",
    "# #"
  ],
  "result": {
    "id": "minecraft:grindstone"
  }
}