{
  "type": "minecraft:crafting_shapeless",
  "category": "misc",
  "ingredients": [
    {
      "tag": "forge:dusts/iron"
    },
    {
      "tag": "forge:dusts/iron"
    },
    {
      "tag": "forge:dusts/nickel"
    }
  ],
  "result": {
    "count": 3,
    "item": "ftbmaterials:invar_dust"
  }
}