Half Square Triangles


I never realized how versatile half square triangles (HST) were until I was given an assignment at our February Philly MQG meeting; both in the endless combinations they can be put together to make a block and the many ways they can be made. For the assignment, we paper pieced them for accuracy. Paper piecing (without the paper – just drawing on the fabric) is my favorite, new way to do HST!

I have done HST in the past, for the round and round quilt, but I was following a pattern and wasn’t exposed to the endless possibilities!

The Philly MQG is working on a charity quilt to benefit the Waldorf School, who generously allows us to use their classroom space gratis for meetings and sewing nights. Each member was given two sets of fabric: a small piece of print fabric and a larger amount of celery green fabric to make a HST block of our choosing. The only rules were that 4 blocks had to have the print fabric and all 16 blocks had to have the celery. The remaining fabric could be anything from our stash – single or multiple fabrics.

I set out to make the blocks and could not decide which designs of block I liked. I put the group of four out into the social media world and ended up with two clear winners – though I think I could have continued playing with the HST for hours!



What is your favorite method of making HST? Do you change it up or consistently work with one method? If you have not tried paper piecing them, Quilt.com has great printable templates.


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3 thoughts on “Half Square Triangles

  1. wholesomemidwestern March 12, 2014 at 1:39 pm Reply

    have you seen materialgirlquilts, here on wordpress? she is hosting a layer cake sampler quilt along. she has a good HST technique, and lots of layouts for HST as well

  2. Jacqueline March 12, 2014 at 12:29 pm Reply

    I change up how I do them based on how much variety and number of HST that I need.

  3. Pat Deck March 12, 2014 at 10:54 am Reply

    If I am doing a number of HSTs using the same combo of fabrics, I like to use software called Triangle Magic. It allows you to print out triangle papers for any size finished HST from 1″ to 7″ in 1/8th inch increments. It is a downloadable program, and costs $19.95, well worth the money in my book. If you sign up for Quilt Pro’s emails, they sometimes have it on sale for $14.95. Yes, it can be a PIA to tear away the paper, but it is worth it to me for the precision on the resulting HSTs.


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