{
  "type": "minecraft:crafting_shaped",
  "category": "building",
  "key": {
    "S": {
      "item": "minecraft:sand"
    },
    "F": {
      "item": "minecraft:flint"
    }
  },
  "pattern": [
    "SF",
    "FS"
  ],
  "result": {
    "count": 2,
    "item": "minecraft:gravel"
  },
  "show_notification": true
}