How to Fold a Fitted Sheet the Easy Way - angsays.wordpress.com - this really works - it's how I've been folding my fitted sheets for years - then I put it with the flat sheet and a pillow case and put the whole thing in another pillow case. Easy to store on a linen shelf.
Crib Sheet Tutorial. I made 2 versions. One with 8.5" square and one with 9" square and the 9" square was a tighter fit. Maybe if I was folding over the elastic casing twice instead of serging and folding over only once then the 8.5" square would be a better fit. Used 1/4" seam allowance for sewing and only used 70" of elastic versus the 80."