I'm steeling this from my personal blog cause it gets so many hits from yahoo answers. I found this explanation: This is a regular straight sleeve pattern that I already had. Following fig. 2 above I cut it into 1 inch strips (numbering them so I didn't mess up the order) Space them out, draw the new lines and you have the outlike for your new pattern. This is now a puff sleeve pattern, and I didn't have to buy it! This is not a very good picture, but it's the only one I have. This is the…