Take a piece of metallic fabric and fold it in half. The width is the twice the length of the skirt and your waist. The height is the length of the skirt.
Draw your waist and draw your skirt.
Cut but leave an inch or so for sewing.
Make your waist belt.
Sew the end of your waist belt to your sewing line. And Tatda!!
Love my sweater? Look how I made this at AndreasChoice channel!