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

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

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    Old 07-28-2011, 09:53 PM
      #1  
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    LucyInTheSky's Avatar
     
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    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
    [ATTACH=CONFIG]233182[/ATTACH]

    Sew 1/4 on either side of each line (4 seams)
    [ATTACH=CONFIG]233183[/ATTACH]

    Using the center as a guide, cut a horizontal and vertical line
    [ATTACH=CONFIG]233184[/ATTACH]

    These look familiar!
    [ATTACH=CONFIG]233185[/ATTACH]

    Cut along your pencil lines
    [ATTACH=CONFIG]233186[/ATTACH]

    Tada! Half square triangle
    [ATTACH=CONFIG]233187[/ATTACH]

    A tad over 2. Trim to size
    [ATTACH=CONFIG]233188[/ATTACH]
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    Old 07-28-2011, 10:07 PM
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    Thanks! That's a great way to do them
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    Old 07-28-2011, 10:31 PM
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    Thank you!!!
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    Old 07-28-2011, 10:33 PM
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    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
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    Old 07-28-2011, 11:28 PM
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    saf
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    thank you so much for this. Very clear and I will definitely try this method. As a newbie I really appreciate the math.
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    Old 07-28-2011, 11:39 PM
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    thank you !!! this is really awesome..I must give it a try!!
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    Old 07-29-2011, 02:01 AM
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    Good for you!!
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    Old 07-29-2011, 02:14 AM
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    Looks easy enough!
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    Old 07-29-2011, 02:57 AM
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    Thanks. Very useful
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    Old 07-29-2011, 02:58 AM
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    Thanks for the very useful info. :-)
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