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# Thread: Fast way to do 8 at a time half square triangles (HST) with straight of grain edges!

1. This is a tutorial on how to make 8 half square triangles (HST) at a time. Whats nice with this method vs the 4 at a time is that on this, the bias is where its supposed to be and your final edges are on the straight of grain (since that has messed me up with the 4 at a time method where you sew on the straight of grain and end up with bias edges).

Math: I started with 5 squares and my HSTs were each slightly over 2 (They will ultimately finish at 1.5 in the quilt). You will lose about 1 with this method. So if you want HSTs to ultimately be 4 finished in the quilt, they would be 4.5 unfinished. You would want to start with 4.5 x 2 + 1 = 10 square. If you want 6.5 finished, 7 unfinished, you would start with 7 x 2 + 1 = 15 square.

Let me know if you have questions

Put 2 squares right side together. Draw 2 diagonal lines on one

Sew 1/4 on either side of each line (4 seams)

Using the center as a guide, cut a horizontal and vertical line

These look familiar!

A tad over 2. Trim to size

2. Thanks! That's a great way to do them

3. Thank you!!!

4. Thanks for this. Should save me lots of time as I tend to do them one at a time. The maths makes it very adaptable so thanks again.
Sue

5. thank you so much for this. Very clear and I will definitely try this method. As a newbie I really appreciate the math.

6. thank you !!! this is really awesome..I must give it a try!!

7. Good for you!!

8. Looks easy enough!

9. Thanks. Very useful

10. Thanks for the very useful info. :-)

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