Get the latest tech news
Ratfactor's illustrated guide to folding fitted sheets
Note to the impatient: You can just scroll down to the drawings of fitted sheets being folded. You won’t hurt my feelings.
Tip: Shaking the sheet occasionally between steps can help the cloth fall straight and make it a little more manageable and understandable. In the drawing below, I’ve switched hands to trace the natural fold inside the sheet. But keep in mind that the elastic pulls the fabric out of square, so it’s completely unreasonable to try to get four perfect 90 degree angles.
Or read this on Hacker News