I built this oven for a local CSA farmstand restaurant (gathering together farm). We held a public workshop; folks came to make mud and learn and we built the basic oven in a weekend. BUT! (and this was my fault for not watching more closely), the dome came out a little flat. Usually, when it's not quite right, I tell folks, "OK, time to tear down and rebuild." This is a great way to conquer the fear of doing it wrong— and it's the only way to prove to folks the truth of my favorite oven-building adage: "the second time is easier and faster." But I let myself be convinced that the dome . . .