What causes fabric to bunch up when sewing?

Why does my fabric bunch up?

If you are experiencing gathering and bunching of the material, follow the steps below to resolve this issue: 1. The upper thread was not threaded correctly, or the bobbin is incorrectly installed. … If thin fabrics are being sewn, the stitch is too coarse.

Why are my seams wavy?

The weight of the fabric hanging down is often enough to stretch it and cause those wavy seams we talked about before. Steam – If you have already sewn your seam and it turned out a little wavy, steaming the seam can often help smooth it out.

What is the defects on fabric puckering?

Puckering is an irregular seam surface. You’ll see this garment defect more commonly in woven fabrics and knitted ones. Puckering is especially prominent on garments that are tightly woven.

Why does my thread keep getting tangled?

Improper Threading

If your sewing machine thread is not properly threaded, the bobbin thread won’t be pulled up into the fabric the way it needs to be. Occasionally the upper thread can catch on a moving part or get stuck, which impedes the easy flow of thread through the needle, creating a tangle.

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