Response by: guest, February 27th 2007 2:07:34 am
I believe that stretch vinyl is sewn like other stretchy knits:
Claudia Schaeffer says:
"When filling the bobbin, set the machine on low or stitch slowly. When wound at a hight speed, polyester and cotton-wrapped polyester threads stretch, causing puckered seams in the finished garment. (Do not use mercerized cotton thread; it doesn't have as much stretch as synthetic threads.)"
She continues:
"Begin with a new needle in the smallest size suggested. Use a Universal-H point, ballpoint (SUK) or stretch (HS) nedle. The rounded points on these needles separate the yarns instead of piercing them."
Use a narrow zigzag stitch and tension the fabric as it goes under the foot.
That way when the fabric loses the tension, the zigzag seam can "collapse".
That, or use a serger.
