How do you sew elastic on a bobbin?

Which needle is used for elastic thread?

Quick Reference Chart

Sewing Machine Needle Type Needle Size Fabric Type
Stretch needles 75 (11) Light lycra, elasticised fabrics
90 (14) Elastic, heavier lycra, elasticised fabrics
Jeans needles 90 (14) Denim, tightly woven fabrics
100 (16) Heavy denim, vinyl, furnishings

Why won’t my sewing machine sew over elastic?

When your machine refuses to sew elastic, it may be due to some things you are doing wrong or maybe not aware of. Sewing experts identified some mistakes people often commit in sewing elastic. These are using the wrong needle, unadjusted bobbin tension, the seam is not made elastic, or foot pressure is not reduced.

Can I use elastic thread in my sewing machine?

Elastic thread is thicker and stretchier than regular thread. So it’s useful when you’re working with stretchy fabrics. You typically use elastic thread in your sewing machine in combination with regular thread. It helps to create clothing that gives a little, such as a top with shirring.

Do I need elastic thread to sew elastic?

In many cases, a zigzag or stretch stitch with regular thread will provide enough give to work with stretchy materials, but elastic thread can be used for certain cases. See How to Sew Stretch Fabric for tips on working with stretchy fabrics. … You can get a smocked look by shirring the fabric using elastic thread.

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What tension should I use for elastic?

Generally elastic works best when stretched 3-8%, with 8% only being used on the smaller parts of the garment as it’s a bit extreme, as remember the more you stretch the elastic the more stitches you are putting on that space of elastic.

Why does the thread bunch up when sewing elastic?

When sewing, the top, and bottom stitches should interlock smoothly and look the same. However, if the stitches are puckered, the seam is unstable, the thread bunches up, or the stitches are just plain ugly, then there is most likely a problem with incorrect tension on either the top or bottom.