{
  "type": "minecraft:crafting_shaped",
  "conditions": [
    {
      "type": "sophisticatedcore:item_enabled",
      "itemRegistryName": "sophisticatedbackpacks:stack_upgrade_tier_1"
    }
  ],
  "key": {
    "I": {
      "tag": "forge:storage_blocks/iron"
    },
    "S": {
      "item": "sophisticatedbackpacks:stack_upgrade_starter_tier"
    }
  },
  "pattern": [
    " I ",
    "ISI",
    " I "
  ],
  "result": {
    "item": "sophisticatedbackpacks:stack_upgrade_tier_1"
  }
}