Frequent question: Why is my fabric gathering when I sew?

Why does my sewing machine keep gathering?

What should I do if I experience thread bunching? As “thread bunching” occurs on the underside of the fabric, some people think it is due to the lower thread. They check whether the bobbin is sitting correctly in the bobbin case or even replace the bobbin. … On many models, the upper thread tension is set automatically.

What causes puckering?

Puckering is usually caused by one or more of the following conditions: Yarn Displacement (structural jamming of fabric yarns). Tension Puckering (excessive thread tension and recovery). Machine Puckering (uneven ply feeding).

Why is my bottom stitch not straight?

If your thread is pulled tight on the underside and not forming an even stitch then (counter-intuitively) it’s usually the top thread tension that’s wrong. Sometimes very lightweight fabrics such as sheers can get dragged down into the machine so it’s a good idea to use a straight stitch plate.

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