The pattern doesn't call for any and I think with
such light weight fabric (even with the two layers) it could have used a little more structure.
Not exact matches
Main
Fabric:
Light to medium
weight woven
fabrics such as cotton lawn, shirting, rayon, linen, and chambray.
Use a
lighter paper
such as tissue paper or tracing paper for more delicate
fabrics; I used a regular sheet of printer paper for medium
weight cotton
fabric.
Main
Fabric: Crisp,
light - to medium -
weight fabrics such as seersucker, cotton pique, poplin, silk twill, dupioni, cotton lawn, double gauze,
light sateen.