GameRegistry.addRecipe(new ItemStack(Block.portal), new Object[]{
                "OOO",
                "OYO",
                "OOO",
                'O', Block.obsidian, 'Y', Item.flintAndSteel});
        GameRegistry.addRecipe(new ItemStack(Block.whiteStone, 8), new Object[]{
                 "CCC",
                 "COC",
                 "CCC",
                  'C', Block.slowSand, 'O', Item.eyeOfEnder});
        GameRegistry.addRecipe(new ItemStack(Block.endPortalFrame), new Object[]{
                "CCC",
                "OOO",
                "CCC",
                'C', Item.diamond, 'O', Block.whiteStone