I'm not sure if this has been covered, but here goes. I learned this from a sign painting book. Lay out a design on paper; run over it with a pounce wheel; any art supply store; place it over your fabric; put baby powder in an old sock and tap it over the holes in the paper; remove the paper and go over the powder impression with your favorite marker, and sew. An easy way to break up solid panels. here are a few examples.