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  • quick way to create half square triangles

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    Old 02-16-2011, 09:03 PM
      #221  
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    quilting in my60s's Avatar
     
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    Just tried this out with my quilting friends after we saw a video on line. It seems you cut your blocks 2" bigger than your want your triagles to be. 5" block gets you 4 3" HST.
    The video said not to stress about stretching out of shape.
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    Old 05-15-2011, 03:28 AM
      #222  
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    I have a ton of triangles to do and they will end up being a l2 block or l2 1/2 unfinished block, what size would I need to cut the squares, I think this is neat and I have lots of sizing already LOL
    Thank you for this tut its fabulous
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    Old 05-15-2011, 03:30 AM
      #223  
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    That's a great idea! Thanks for the Tute! Bueatiful squares btw
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    Old 05-15-2011, 03:30 AM
      #224  
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    I also need the formula for bigger squares 9, l0 etc. Thanks again
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    Old 05-15-2011, 11:55 AM
      #225  
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    Great information.
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    Old 05-21-2011, 08:09 AM
      #226  
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    Hi Oma66:
    I love halfsquare tri's. Thank you so much for sharing this with we who had not heard of this method. What a
    great idea.

    Not that it matters but the Gma below stands for being grandmother to 6 (triplets, twins and a single), who call me G-ma (short for Grandma), and the GG is for being great-grandmother to four who know me as GeeGee. The last four couldn't call me Grandma because that's what they call my daughters. Anyway, quicker half-square triangles will make 4 new quilts (they're no longer infants) go much faster! All I have to do is use 4 different combos of color.
    Thanks again! Gma-GeeGee
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    Old 05-24-2011, 07:41 PM
      #227  
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    The math for this is start with the squares 1 1/2 times larger than the finished size.

    2 times the diagonal of the size you want divided by 1.414 = exact size to cut large square.


    If you wanted a 4" sq double to get the diagonal which would be 8" divide by 1.414 or (1.5 and trim later) = size of starting square to use.

    In case I forget the math look at the diagonal on the cutting mat and count the squares.
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    Old 05-25-2011, 03:54 PM
      #228  
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    This is what I mean by looking at the mat. If I wanted a 9" sq finished the starting sq would be 13. Add 1/2 total for seam allowance.
    Attached Thumbnails attachment-202418.jpe  
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    Old 05-25-2011, 04:12 PM
      #229  
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    WOW>>>that easy? Amazing....thank you for that tut! Bookmarking it and also saving the pics, just incase! Thank YOU!!
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    Old 07-27-2011, 11:31 AM
      #230  
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    I heard about this from a friend but could someone provide numbers to make different sizes. Right now I take 2 pieces put right sides together to check what size I get; for example: 12-1/2" will make 4 each- 8 1/2. This also makes a 16 1/2 pinwheel.
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