It was interesting to see how that worked after going through the other thread when you were trying to find this manual. You had to lay the stairs out the traditional way first. I thought maybe you only had to lay out one tread and riser just to get the angle but this jig was just for providing the outline so they could be inset.
Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.