Popsugar Popsugar Popsugar How to Make a Diaper Cake Diaper Cake April 15, 2008 by babysugar View On One Page Photo 5 of 20 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 A cup in the center can help you shape the circle and fill out the edges. A cup in the center can help you shape the circle and fill out the edges. Previous Next Start Slideshow