Susan Murtaugh. I have devised a construction method to make the slots line up in perfect parallel configuration. I'm not satisfied with the appearance of the thread in the bobbin. Perhaps the tension or the thread itself needs adjustment. I tried covering up the threads with some adhesive-backed vinyl, but I don't think that's going to work.
What I like about the cut file for this particular design is that it fits nicely on my 12X24" cutting surface.
I'm going to tweak the cut file design so that I can put the good looking threads onto the outside. The industrial machine I have sews nicely, but I need to drive it some more to get used to it, as it, being an industrial machine, is designed to sew very fast.
Update: I change the title of this post to trifold wallet, because that's how they are known in the industry. Even though there are only two folds!