[
	{
		ingredientPattern: "_H_,_C_,_R_",
		ingredients: {
			"H": { type: "item", tags: ["tool-hammer"], isTool: true, toolDurabilityCost: 10 },
			"C": { type: "item", tags: ["tool-chisel"], isTool: true, toolDurabilityCost: 20 },
			"R": { type: "block", code: "rock-{rock}" }
		},
		allowedVariants: {
			rock: ["chert", "claystone", "sandstone"]
		},
		name: "grindstone",
		width: 3,
		height: 3,
		output: { type: "item", code: "grindstone-{rock}"  }
	},
	{
		ingredientPattern: "_G_,PAP,PNP",
		ingredients: {
			"A": { type: "block", code: "woodenaxle-ud" },
			"P": { type: "item", code: "plank-*", quantity: 4 },
			"N": { type: "item", code: "metalnailsandstrips-{metal}", quantity: 2 },
			"G": { type: "item", code: "grindstone-{rock}" }
		},
		allowedVariants: {
			metal: ["copper", "blackbronze", "tinbronze", "bismuthbronze", "iron", "silver", "gold", "meteoriciron", "steel", "electrum" ],
			rock: ["chert", "claystone", "sandstone"]
		},
		name: "grindstone",
		width: 3,
		height: 3,
		output: { type: "block", code: "grindingwheel-wood-north"  }
	}
]