Anything related to prototype rail.
I've been doing a lot of scenery now that the tracks work correctly. I'm learning a lot fast as I do it too. Even with hundreds of hours of video about how watched, it's still a practice issue. The more you practice, the better you get. I added a new locomotive depot/shed with a parking lot and lighting which I think turned out nicely. The shed was the first model I built for my first attempt at a layout 3 years ago, and it's finally in place, albeit, without one of the little ...