For those who thought my 'pleat' was in my brain, it was just a trick of the camera which removed it. I've just spent a few minutes adjusting my camera and here you can see it all in it's full imperfections.
And here's the pleat. Click on these to fully see what I mean about the stitch length being all wrong for the fineness of the thread. Each of the red and white squares are 4". And also the background quilting is too far apart, far more suitable for heavier thread.