People wore semicircular capes or cloaks in the Middle Ages to protect against cold and wind. You can make your own semicircle cloak using straight hemming and can complete the project in a weekend, even if you're a novice sewer. Using fleece for this project makes it almost completely no-sew.
Wash and press your fabric, then lay out on your work table. Choose fabric that drapes nicely and provides the level of warmth you want. Wool or a wool-blend is good for a winter cloak. This weight cloak is perfect for a Middle Ages re-enactment costume. Silk or satin makes a lighter weight cloak, perhaps for a superhero costume.
Find the centre of one 60-inch side of the fabric. Mark this spot with a pin. Tie the 30-inch piece of string to a pencil and have a friend hold the other end to the marked spot. Use this string to mark a large half-circle, starting at one end of the 60-inch edge of the fabric and ending on the other. Repeat with the 6-inch string. Your fabric should have pencil markings that look like half a doughnut. Cut the fabric at these lines.
Press a 1/4-inch hem on the sides and bottom edge of the cloak. Press a second 1/2-inch hem. Pin the second hem in place and sew around it with a sewing machine.
Pin the binding tape around the neck opening of the cloak, leaving equal-length ends for tying. Sew the binding tape into place.