Having made this pattern three times already meant I had a vague idea of what I was doing. It was still a bit fiddly sewing and pressing and turning and top-stitching - but the result was rather pleasing. IBecause I ended up with an extra (centre) seam owing to my cutting mishap, the facings were slightly out of whack. I just added a little pleat/fold to the facing when I pinned it in place. I am mistress of the lazy way. It worked pretty well, so, a worthwhile fudge, and I like the fact that each side of the bag shows two fabrics.
Here are some