IMoO/behavior_pack/recipes/imoo_grave_1.json

{
    "format_version": "1.12",
    "minecraft:recipe_shaped": {
      "description": {
        "identifier": "imoo:grave_1"
      },
      "tags": [
        "crafting_table"
      ],
      "pattern": [
        "###",
        "###"
      ],
      "key": {
        "#": {
            "item": "minecraft:stone"
        }
      },
      "result": {
        "item": "imoo:grave_1",
        "count": 6
      }
    }
  }