craftingTable.addShaped("cobblegen2upgrade", <item:cobblefordays:tier_2>, [[<item:minecraft:cobblestone>, <item:minecraft:cobblestone>, <item:minecraft:cobblestone>], [<item:minecraft:cobblestone>, <item:cobblefordays:tier_1>, <item:minecraft:cobblestone>], [<item:minecraft:cobblestone>, <item:minecraft:cobblestone>, <item:minecraft:cobblestone>]]);
craftingTable.addShaped("cobblegen3upgrade", <item:cobblefordays:tier_3>, [[<item:minecraft:iron_ingot>, <item:minecraft:iron_ingot>, <item:minecraft:iron_ingot>], [<item:minecraft:iron_ingot>, <item:cobblefordays:tier_2>, <item:minecraft:iron_ingot>], [<item:minecraft:iron_ingot>, <item:minecraft:iron_ingot>, <item:minecraft:iron_ingot>]]);
craftingTable.addShaped("cobblegen4upgrade", <item:cobblefordays:tier_4>, [[<item:minecraft:gold_ingot>, <item:minecraft:gold_ingot>, <item:minecraft:gold_ingot>], [<item:minecraft:gold_ingot>, <item:cobblefordays:tier_3>, <item:minecraft:gold_ingot>], [<item:minecraft:gold_ingot>, <item:minecraft:gold_ingot>, <item:minecraft:gold_ingot>]]);
craftingTable.addShaped("cobblegen5upgrade", <item:cobblefordays:tier_5>, [[<item:minecraft:diamond>, <item:minecraft:diamond>, <item:minecraft:diamond>], [<item:minecraft:diamond>, <item:cobblefordays:tier_4>, <item:minecraft:diamond>], [<item:minecraft:diamond>, <item:minecraft:diamond>, <item:minecraft:diamond>]]);