I completed my first train MOC and wanted to show it off. It is a 1:38 replica of the Atchison, Topeka, and Santa Fe engine 3751. It took nearly a year to design in stud.io, source the parts, and put it together. It runs on two large PF motors with a differential allowing for high and low speeds. Both the receiver and battery box are within the boiler allowing it to be decoupled from the tender and still remain operational. I included a light brick to make the opening firebox come to life and...