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    Old 02-23-2024, 05:31 AM
      #1  
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    Default Tri-recs tool?

    Need a 45 degree ruler to make a cool quilt. Link to pattern...
    https://cdn.shopify.com/s/files/1/06...f?v=1621394955
    I have a tri-recs templates. Question: Is the large template of tri-recs tool same as a 45 degdree a ruler?
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    Old 02-23-2024, 05:44 AM
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    Absolutely not!! A 45 degree angle is the same as a HST angle. Look at one of your rulers and you will see 3 lines--30 degree, 45 degrees and 60 degrees. If you cut a strip of fabric and then lay the 45 degree line on the cut edge, where the edge of the ruler lies across the fabric, is 45 degrees.
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    Old 02-23-2024, 06:14 AM
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    The angles in that tool (tri-rec) are approximately
    skinny right triangle: 63.4, 26.6, and 90 degrees
    the isoceles triangle:63.43, 53.13, 63.43 degrees
    I rounded the degrees so those numbers are not 100% accurate.
    There are a lot more decimals than i listed.

    There is a kaleidoscope or spider web ruler that is an isoceles triangle and the angles in that one are
    67.5 , 45, and 67.5 degrees. The " companion" triangle for that is 67.5, 22.5, and 90 degrees.
    ,

    The angles in a half square triangle (and also a quarter square triangle) are 45, 45, and 90 degrees.

    the equilateral triangle is 60, 60, and 60 degrees. The " companion" triangle to that is 30, 60, and 90 degrees.
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    Old 02-23-2024, 06:54 AM
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    One minor bit of clarification - the pattern that Julienm1 is interested in calls for a "45 degree triangle ruler". In bearisgray's (excellent!) explanation, that ruler is called "kaleidoscope or spider web ruler". Knowing the different terms used for the same thing will help you examine all your options if you go shopping for one.
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    Old 02-23-2024, 07:33 AM
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    I was unable to view the quilt on my phone.

    I learned the hard way that these triangles are not interchangeable!






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    Old 02-23-2024, 08:26 AM
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    Platyhiker, thanks for the name of the ruler! I'm pretty sure I have one 'someplace'! That is a very pretty pattern Julienm1. Thanks for the link. I wonder how it would look as a super scrappy. (Can you tell I'm still trying to get rid of scraps!!)
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    Old 02-23-2024, 12:14 PM
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    Originally Posted by bearisgray
    I was unable to view the quilt on my phone.
    Bear, it's a traditional kaleidoscope pattern.
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    Old 02-23-2024, 12:31 PM
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    Thanks.

    What is It with pinterest wanting one's birthda te - which would be only mildly annoying if it was easy to enter.
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    Old 02-23-2024, 03:01 PM
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    hmm, I don't get it asking for my birth date when I go to pinterest.
    The link is for the actual pdf pattern.
    Looks like tallchick made one a few years ago. Roundabout


    Here is a link to the youtube video https://www.youtube.com/watch?v=L_RVuw4r9E8

    Last edited by OurWorkbench; 02-23-2024 at 03:05 PM.
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    Old 02-24-2024, 05:17 AM
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    Originally Posted by bearisgray
    Thanks.

    What is It with pinterest wanting one's birthda te - which would be only mildly annoying if it was easy to enter.
    They need your personal information so they can sell it. If you don't pay for a site or it's products, they are making money by selling your demographics.
    bkay
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