PrettyPipes/src/main/resources/data/prettypipes/recipes/medium_low_priority_module.json

{
    "type": "minecraft:crafting_shaped",
    "pattern": [
        " C ",
        "CMC",
        " C "
    ],
    "key": {
        "C": {
            "tag": "forge:cobblestone"
        },
        "M": {
            "item": "prettypipes:low_low_priority_module"
        }
    },
    "result": {
        "item": "prettypipes:medium_low_priority_module"
    }
}