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

{
    "type": "minecraft:crafting_shapeless",
    "ingredients": [
        {
            "item": "minecraft:item_frame"
        },
        {
            "item": "prettypipes:pipe"
        },
        {
            "item": "minecraft:redstone"
        }
    ],
    "result": {
        "item": "prettypipes:pipe_frame"
    }
}