Bias Tape Continuous Loop

How to Make Bias Tape – Continuous Loop Method

I have been making a lot of bias tape lately because I am using it to finish my seams. When I need a large amount of bias tape, I always use this method. For a lack of better term, I call this the “continuous loop method” of making bias tape.

By stitching only two seams, you are able to make a really long bias tape.

Let’s get started.

Cut a square piece of fabric.

Continous Loop Bias Tape

Draw a line from the bottom left corner to the top right corner. Cut along the line. Now you have two triangles.Continous Loop Bias Tape

With right sides together, put the triangles together matching the top edge.Continous Loop Bias Tape

However, there’s a nuance here. Do you see that there are little triangles hanging out? That is because I am offsetting for the seam allowance. I am using 1/4″ (6 mm) here.Continous Loop Bias Tape

Stitch the seam.

Continous Loop Bias Tape

Press the seam open and you have this.

Continous Loop Bias Tape

Whip out your pen again. Draw lines parallel to the *longer” edge. My bias tape will be 1″ (2.5 cm) wide, so I am drawing the lines 1″ (2.5 cm) apart.

Continous Loop Bias Tape

The likelihood is that the last section will not have the width you need, so trim it off and discard.

Continous Loop Bias Tape

With right sides together, line up the short edges like this, so the lines you drew are connected/straight.

Continous Loop Bias Tape

But this is not what we want actually. We need to “pull” the corners so that the one line is connected to the neighboring line instead.

Continous Loop Bias Tape

By doing so, you see that there are overhangs on each side.

Continous Loop Bias Tape

With right sides together again, you can pin the edges together. Similarly, to prepare for the 1/4″ (6 mm) seam allowance, the lines need to off set a little bit. You can faintly see through this fabric; do you see that the lines are crisscrossed?

Continous Loop Bias Tape

A closer look.

Continous Loop Bias Tape

Stitch the seam and press, and this is what you have.

Continous Loop Bias Tape

You can now cut from one end, following the line (which is now continuous).

Continous Loop Bias Tape

And you will end up with one long bias tape!

Continous Loop Bias Tape

There are some pros and cons with this method.

Pros:

  • With relatively little fabric, you can produce a long bias tape.
  • It only needs two seams to make a long bias tape.

Con (I can only think of one):

  • After you cut, you will realize that there are lot of seams within a pretty short length. This is the price you pay I suppose.

I usually don’t bother to calculate how much bias tape I need – if I didn’t make enough, I can make more.  But if I start with a 10″ x 10″ (25 cm x 25 cm) square, I’d end up with about 95″ of 1-inch wide (240 cm of 2.5-cm wide) bias tape. (Basically it’s 10 x 10 / 1, and then assume about 5% waste and seam allowance.)

Hope this helps! Keep stitching!

 

 

 

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