Use the stitch length to control how tightly together the zigzags are.
Use the stitch width to control the width of the zigzag line.
The needle stitches into the fabric:
and close to the edge:
Zigzag stitch
Use the stitch length to control how tightly together the zigzags are.
Use the stitch width to control the width of the zigzag line.
The needle stitches into the fabric:
and close to the edge: