Nice. My DCC friend had a 0-8-0 switcher that he put a chip in and wired to the headlight bulb. A couple of nights later I asked "Am I supposed to be able to see the light through the top of the smokebox?" There was a thin deformed spot up there, and I thought he should put an Elesco heater up there to conceal it. Where do you get plans for the piping and where do you get the casting?