This is a form of overcasting using a machine stitch. Use a zigzag stitch or a preprogrammed overcasting stitch to finish the raw edges.
Adapted from "How to Use, Adapt, and Design Sewing Patterns," by Lee Hollahan and published by Barron's Educational Series. Lead image from flickr.com/hoppobumpo.
Step 1
Construct a plain seam. This is normally made with a 5⁄8in (1.5 cm) seam allowance.
Step 2
Choose a zigzag stitch, or, if sewing a built-in overcasting machine stitch, use an overcasting foot.
Step 3
Sew the stitch along the edge of the seam allowance with the “bar” of the overcasting foot right on the edge.
