Howdy.
From the department of Lessons Learned: You know how sometimes when you eyeball something and you're SURE it's correct, but then you put an instrument to it and you don't know who to believe? Just as I'm about to tack glue the gear support formers in place, my 11-year-old says, "That looks crooked." I put a square in there and sure enough, I was about to glue something in that wasn't anywhere near straight. Once the square went in, suddenly my eyes agreed. Anyway, now they're good-to-go.