Fold fabric in half; place widest part of pattern at the fold and trace with marking pen. With a ruler and the marker, extend the straight lines at the bottom of the pattern 14 inches down from fold. "These curves require a little more cutting precision than the sash-that's why you want to trace it," Katie says.
Cut along the line. Wrap the band around your head, centered, to find the center back on one end; sew a button there.
Wrap band around your head again, and pinch the plain end over the button. In that spot, cut a small slit, then snip it incrementally larger just until you can slip the button through.
1/8 yard of fabric
Erasable fabric marker
Needle and thread
Blueprint headband template
This fabric is machine-washable, so if your headband starts to look dingy, toss it in the laundry.