Once Upon A Time Layer Cake by Stacy Iest Hsu for Moda 20590LC. 42 squares 10" x 10". 100% Premium Cotton. Click Here to View all Fabrics in Layer Cake. Once Upon a Time is a collection that celebrates all things fairytale! Whimsical illustrations of castles, unicorns, gardens and most importantly princesses are what you will find in this collection. Beautiful shades of pink and lavender make this collection the absolute sweetest. Your little ones and their friends will have endless hours of play and story telling with this collection.