As I’ve gone down this shirring road, it has become obvious that each machine has a happy place. No one machine’s perfect settings seem to apply to all. In fact, it seems quite the opposite, one machine’s perfect settings will not even come close to working for another. The stitch length and bobbin tension seem to be the most important variables. Below I will include a chart of the most common issues I’ve seen and how to use these variables to overcome them. In general, the thinner the fabric, the more it “gathers up.” This is normal! To accommodate, you may want to shorten stitch length, place shirring lines further…