## Learn how to make 48 half square triangles (HST) at once

This is a very easy technique that produces 48 accurate HST. Learn in 3 minutes:

## HST size

3 1/2 inch square.

With this technique you can easily make half square triangles in any size.

## Materials

2 fabric rectangles 16 inch x 24 inch each in contrasting colours.

## Quilt idea

To make this mini quilt you need 36 HST.

This shows you the potential of this patchwork technique.

Half sq. triangles are great…..

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too awesome! must try- thank you for the tutorial

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Great tutorial! The possibilities are endless.

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Truly amazing. Thanks for teaching me something new

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Well done. Great idea.

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Really takes the fun out of making the blocks, its like a factory line, hahahaha

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Thank you. HST are truly versatile and great to work with. I can never tire of half square triangles.

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This is a great way to make half square triangles when you’re wanting them all the same. I have done this method before and it is fast and easy. You have the best ideas for arranging them. It’s actually endless. Keep up the good work and thanks again for a great video. Jean

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Again, another great video. I did this method once in a class and it was amazing! What I discovered is they were perfect and needed no trimming, except the dog ears.

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That’s exactly right! It’s the best for HSTs.

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Great video -thanks -=- but how do you figure the math out if you want 5.5″ unfinished HST? or some other size

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There’re formulas out there like here http://www.blossomheartquilts.com/2012/07/hst-tutorial-and-maths-formula/ but do a small test first though you can always trim the hst at the end.

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You’ve absolutely blown my mind!

Thanks for the link, so it would mean a 6 3/8″ marking for each 5.5″ hst, but how do you compute how much fabric you would need? How large a piece?

Thanks!

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Before I’d start cutting large pieces of fabrics I would just do a small test with some fabric I don’t like much. To see how accurate the formula is. Then just calculate how many HST you want and do the math. Let’s assume 6 3/8 is correct. In a 42″ wide piece of fabric you Can fit a bit over 6 HST across. Now calculate how many you want to make and multiply by how many rows. For instance you want 40 HST. You’ll need 7 rows (6 x 7 = 42). Calculate how long your piece will be: 7 multiplied by 6 3/8 is a bit over 44 so your piece will be 44 x 42. Again test with a small batch first. And if the HSTs are too big they can always be trimmed to size. I hope this makes sense.

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