I am working on a new pattern. I am just about done. (Yay!) The last thing I need is a good picture of one of my hats on an actual human. That seems to matter when selling hats. Go figure. Back to the pattern-making process though. In drafting patterns, and trying to be thorough and accurate, I have been struck by how much math is required. There is sizing, calculating proportions, stitches per inch and how they translate into this that and the other. It is a major stress point and one of the reasons this pattern-making thing moves slowly. On this last pattern I wanted to add some extra super-useful information. It…