{
    "type": "minecraft:crafting_shaped",
    "pattern": [
        " R ",
        "IGI"
    ],
    "key": {
        "R": {
            "item": "minecraft:redstone"
        },
        "I": {
            "item": "minecraft:iron_bars"
        },
        "G": {
            "item": "minecraft:glass"
        }
    },
    "result": {
        "item": "prettypipes:pipe",
        "count": 4
    }
}