It would have been much simpler just to piece a regular backing, but where’s the crackpottiness in that? Actually, I did it out of necessity because I didn’t have much left of the solid fabrics to put around the big train print in the center of the backing. What I did have was in small pieces, so this was the only way to go. It took longer, which is hard on the impatient Andrew, but I think the result is good!
Here’s a close-up: