There are an infinite number of ways you can prepare your fabric before dipping into the indigo vat. Each fold, pinch and tie creates a new pattern. Here are a sampling of ways that you can prepare your pieces for dyeing.
Fabric diagonally folded (practice with a piece of paper first) stitched in a few places on the long straight edge as shown in inset picture. Beautiful chevron design is revealed after indigo dyeing. Sample made by Townhill Studio.