The pyramid's exact size has puzzled experts for centuries, as the " more than 21 acres of hard, white casing stones" that originally covered it were removed long ago.
Bronze, an alloy of copper and tin, is much harder and cuts much better than copper or gold, and once discovered, it was widely used to make tools and weapons for over a thousand years.
And at first, the result will be a mess, but it's much easier to hone a mess into something great than to turn a solid block of marble into a masterpiece on the first pass.