11
Zigzag stitch
For an ideal zigzag stitch, the bobbin thread does not
show on the right side (top side) of the fabric, and the
needle thread shows slightly on the wrong side (bottom
side) of the fabric.
See the illustrations for the correct appearance.
To match this appearance, adjust the needle tension as
necessary.
Balanced tension
Minimize the amount of needle thread visible on the
wrong side (bottom side) of the fabric without causing
excessive puckering, or causing the bobbin thread to
show on the right side (top side) of the fabric.
Results vary with fabric, thread and sewing conditions.
q Right side (top side) of fabric
w Wrong side (bottom side) of fabric
q w
q w
q w
Tension is too tight
The corner of each zigzag pulls together on the right side
of the fabric
q Right side (top side) of fabric
w Wrong side (bottom side) of fabric
Tension is too loose
The corner of each zigzag point pulls together on the
wrong side of the fabric.
q Right side (top side) of fabric
w Wrong side (bottom side) of fabric
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