ExtraHoppers-forge/src/main/resources/assets/extrahoppers/recipes/wooden_fluid_hopper.json

{
	"type": "forge:ore_shaped",
	"pattern": [
		"W W",
		"W W",
		" B "
	],
	"key": {
		"W": {
			"type": "forge:ore_dict",
			"ore": "plankWood"
		},
		"B": {
			"item": "minecraft:bucket"
		}
	},
	"result": {
		"item": "extrahoppers:wooden_fluid_hopper"
	}
}