I think I got it figured out. This is what I think it should be from description, photo, translation adjustment and so on. The next few rounds will take a while. There are 60 and 60 rings on this one and there are about 5 rounds like this one with chain between them. The last round is 130 rings so it increases, of course. I will post when I finish this one to see how it looks. I am guessing at the length of the bare thread because no numbers are given for it. It is not really mentioned in the plans, just a dashed line in a drawing. So far it looks about right.