I got to building the flat across the back of the layout, after a very lengthy search for a kit and finding nothing that looks right for what I'd had in mind. I used a 1" thick pine board for the base and building up around it, with the end result to be a building that looks very well-weathered and not painted for a good 10-20 years...
More details here: https://ogrforum.com/t...ure-flat-in-progress
I got the flat completed and installed late last night. I just need to add some small details and weather/clutter up the loading dock: