The approach I decided to take was to pick up and knit the border all the way around while mitring the corners. Don’t know how that will work. This is the first time I’m mitring up instead of down and over a considerably larger area. I have four circular needles on it right now; one per side. I could have certainly picked up and knit one side at a time but then I wouldn’t have had mitred corners. I’m not revealing the border pattern yet. We’ll see what next week brings.