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  1. #1
    Shiny Thimble

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    Default Half square triangles formula

    I LOVE the trick to make 4, 1/2 square triangles from sewing the sides and cutting diagnally. Is there a formula to make a certain size final blocks? ie I need a final square of 8inches. What size piece of fabrics do I need to start with. THANKS I have racked my brain for days.

  2. #2
    Missouri Star

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    Default Re: Half square triangles formula

    K is for Karen .....................Cremation - My last hope for a smokin' hot body.

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  3. #3
    Missouri Star

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    Default Re: Half square triangles formula

    That's a really good one! Where has Amy been anyway?



    Lorie

  4. #4
    Missouri Star

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    Default Re: Half square triangles formula

    I dont' care for that method as I don't like sewing on bias. This way, each of the HST's sides are on the bias and that means stretching and that means..distortion! So I don't use this method. I use Eleanor Burns way...just cut squares 1/2 inch bigger than the size you want when finished. Place right sides togehter, draw a line down center. Sew 1/4" from each side of the line, cut on the line, press HST's open and you are done! Get an assembly line system going and it takes no time at all to get them all sewn! Draw line on 50, sew the one side on all of them (gives you a "string" of the blocks,) then sew on the other side of the line and cut them apart. Then cut the middle line and press. You are done before you know it! The key to the math is...cut squares 1/2 inch bigger than you want the finished squares to be. if you want 3x3 HST's..cut your squares 3.5x3.5inches. Quick and easy!

  5. #5
    Missouri Star

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    Default Re: Half square triangles formula

    Using Jenny's HST method - I'm told if you starch the charm squares beforehand it helps stabilize those outside bias edges. If you're using yardage cut your strips on the bias first. Then sub-cut into charms. That way you'll end up with HST's that are not bias on the outside edges.
    Last edited by rebeccas-sewing; May 27th, 2014 at 04:31 AM.
    Goodbye Europe! Hello California! Home sweet home.

  6. #6
    Shiny Thimble

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    Default Re: Half square triangles formula

    THANKS!!!!!!!

  7. #7
    The Guild President

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    Default Re: Half square triangles formula

    If you google 'calculate half quare triangle' or something like that, you'll find a site where you put inthe size of block you want and it calculates the size of the HST. Sorry I can't find teh link at the moment - got to go and feed the chickens.

  8. #8
    The Guild President

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    Default Re: Half square triangles formula

    quiltersparadiseesc.com

    found it!

  9. #9
    UN-Biased

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    Default Re: Half square triangles formula

    Well I'm really confused .
    I just recently seen this method on one of Jenny's videos, but I was under the impression that triangles cut from a square on both diagonals were called quarter-square triangles???? Is it the 1/4" seem on all 4 sides of the square that makes QST into HST?

    Thanks!

  10. #10
    Missouri Star

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    Default Re: Half square triangles formula

    Quote Originally Posted by Sew_Silly View Post
    Well I'm really confused .
    I just recently seen this method on one of Jenny's videos, but I was under the impression that triangles cut from a square on both diagonals were called quarter-square triangles???? Is it the 1/4" seem on all 4 sides of the square that makes QST into HST?

    Thanks!
    This was heavily discussed several weeks ago in this post.


    No, you look at what you end up with, not how you make them to decide whether it is a half square triangle or a quarter square triangle. If the triangle is half of the square, it is a HST, if it is a quarter of a square, it is a QST.
    http://forum.missouriquiltco.com/qui...times-but.html

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