Tutorial: How to make continuous bias tape



{photo of floral bias tape trim by uklassinus}

As mentioned previously here, bias tape is pretty, useful, and adds a unique touch to garments. It’s also a fabulous way to use up scrap fabric from other sewing projects. After sorting through photos of bias tape for inspiration, I want to hole up in the studio and transform pieces of left over fabric into enough bias tape to reach the moon! Luckily, this tutorial simplifies the process of making bias tape by allowing you to avoid stitching each individual strip together, hence the name continuous bias tape.

If you have any questions about the why & how of bias tape or just want to see an alternate technique, check out Sarai’s tutorial, which uses a strip piecing method rather than a continuous loop. The benefit of the continuous loop method is that it’s much faster, because there’s less pinning and sewing.

Also note that I used a 10″ x 10″ square of fabric for this particular tutorial, but if you have less material to work with that’s okay, too! Just make sure you have enough fabric to cut out a perfect square.

You will need:

  • 10″ x 10″ square of fabric
  • a ruler
  • fabric pen or chalk
  • scissors
  • a Clover bias tape maker in 1/2″
  • thread
  • a sewing machine

Step 1: Cut a 10″ x 10″ square piece of fabric, then cut it in half diagonally, along the bias.

Middle school geometry nerd alert! These triangles are technically isosceles right triangles.

Step 2: With right sides together, pin the two triangles together at either of the straight sides (not the diagonal side), as shown in the photo. Edgestitch the two pieces together.

Step 3: Open up the fabric pieces and press seam apart (aka bust with the iron). The fabric should be the shape of a parallelogram.

Step 4: Starting at the edge of the fabric, mark 1″ lines in washable fabric pen. These diagonal lines will be parallel to the fabric edge and will be drawn on the wrong side of the fabric. Don’t cut yet!

Step 5:  With right sides together, fold the narrow tips of your parallelogram lengthwise to make a small square.

Steps 5 and 6: Fold tips inward and offset by one row of lines

Step 6: Once folded, offset the 1st row and pin in place. Then, match up the following lines while pinning in place with right sides together. Be sure to match the lines at the seamline, 1/4″ from the edges, not at the edges.

You should now have a tube like shape with 1″ of fabric offset at each end. Sew a narrow 1/4″ seam. Press seam open.

Step 7: Starting at the first offset row of drawn lines, cut until you reach the end.

Step 8: You’re almost done!! Now pull your continuous bias tape strip through your bias tape maker while pressing the folds with your iron. This should produce nearly 100″ of bias tape, depending on how accurately you mark each line in Step 4.

Yay!! Which method of making bias tape do you prefer? The continuous bias tape method (shown here) or Sarai’s strip piecing bias tape technique?

Rachel Rector   —  

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Comments 150

Bindi cushylife.net

thanks for fab tutorial, I had often wondered how to do this and got it right first time . Brilliant

Nancy cre8ivecutz.com

I will be trying this tomorrow, to finish off your Sorbetto Tank Top, my first time making my own bias tape. Thanks for the great instructions!

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Monica Cook

Wow! thank you! thank you! thank you! doing bias tape around gaucho pants for girls at camp and you have saved me hours of extra sewing.


I really like the idea of this method, but found it to be fiddly to get the second seam lined up correctly. It also meant I had to hand-cut the strips (rather than using my quilting ruler and rotary cutter, and there ended up being too many seams for my liking. It’s a nifty idea, but I think I’ll stick to cutting my 1″ strips and piecing them together.

The bias tape maker looks quite handy, but I’m fortunate enough to have purchased a bias tape foot with my new sewing machine. I just feed the completely flat tape into the foot and it does all the folding for me.

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Bonny bestcakes.biz

I’ve seen bias tape made similar to yours, but with only 1 seam to sew. If you draw a square of fabric, on the bias, draw the lines, and then sew the opposite sides together – moving where they meet up 1 row – you only have to sew them together in 1 seam. This probably requires more fabric, though.

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Lyric sewcroandquilt.wordpress.com

As a neophyte vintage sewist bias binding is definitely on my radar. Looking forward to mastering this technique.

Thank you for sharing this tut.



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