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    Blog » Quilts » How To Use Half Square Triangle Paper to Make Half Square Triangles with Video

    How To Use Half Square Triangle Paper to Make Half Square Triangles with Video

    Feb 8, 2018 · 7 Comments

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    christopher-thompson-blue-carolina-fabric-quilt-by-coral-and-co

    I'm pretty excited to have my first real video tutorial for you today! I started out with this video on how to use half square triangle paper to make half square triangles.  I have definitely gotten the hang of photography but video is a whole new game. 
    It's a pretty quick video and shows you all the deets on how easy it is to get precise half square triangles when you use half square triangle paper. And speaking of half square triangles, don't these half square triangles look UH-MAZING with this Blue Carolina fabric from The Tattooed Quilter.  All these shades of blue are just stunning.  Seriously one of my favorite lines <3  All the heart eyes <3I had this project in my mind for months, picturing how the different prints of Blue Carolina would look against the crisp confetti cottons white.  And I am totally stoked how it turned out.  Sometimes you picture a project in your mind and then it turns out completely different, which seriously sucks.  Especially after all that time you spent planning and daydreaming about it, shopping for the fabric, and then finally sewing it all together.  But this definitely does not disappoint!

     
    How to use half square triangle paper is part of a series on making Half Square Triangles.  You can see the other posts below -
    1. Method I - Simple Half Square Triangle Block Tutorial
    2. Method II - Make 4 at a Time!
    3. Method III - The Magic * Method - Make 8 at a time
    4. Method IV - Half Square Triangles from a Jelly Roll - The Strip Method
    5. How To Use Half Square Triangle Paper to Make Half Square Triangles with Video
    6. 25+ Half Square Triangle Quilt Patterns
     

    Supplies you will need

    • 10" stacker of Blue Carolina
    • 10" stacker of Confetti Cottons Riley White
    • Triangles on a Roll 3.5"
    • Tracing wheel for scoring the paper (alternatively, you can sew down the stitch lines with no thread in your machine before you pin in place to make it easier to rip off)
    • Rotary Blade - this is where I found the pink floral one
    • Cutting Mat - this aqua and green one is so cute!
    • Clear Ruler - I really love this pink Lori Holt one)

    ****This will make enough blocks to make a 45" x 60" finished lap quilt using 3" finished blocks, with a few extra left over.

    how-to-use-triangles-on-a-roll-for-half-square-triangles
    triangles-on-a-roll-to-sew-half-square-triangles
    pin-half-square-triangle-paper
    sew-on-half-square-triangle-paper
    cut-half-square-triangles-into-four-with-half-square-triangle-paper
    half-square-triangles-eight-at-a-time

    How To Use Half Square Triangle Paper

    1.  Trim down your 10" stacker to 9", so it will be the same size as the triangle paper
    2. Using your tracing wheel score the stitch lines on the triangle paper to make it easier to tear off (you can see this in the video).
    3. Making as sandwich lay down your white 9" square with your printed fabric facing down so right sides are together.  Then Lay the triangle paper square on top with the printed side up.
    4. Pin triangle paper in place so it does not move while sewing.
    5. Following the arrows, sew down each of the dotted stitch lines.  You will sew four lines total.
    6. Trim edges and square up to make a nice even square.
    7. Cut down the diagonal lines so you now have four pieces
    8. Continue cutting across the vertical and horizontal lines to further divide the square into eight pieces.
    9. Gently press open and square up.  The finished triangle (with seam allowance - once blocks are sewn together) on the roll says 3.5", however, I like a little extra wiggle room and cut mine down to 3.5" before they are sewn, so they will finish as 3" blocks.  This is just a personal preference.
    half-square-triangle-made-with-half-square-triangle-paper-triangles-on-a-roll

    quilt-blocks-with-half-square-triangle-paper
    I need this quilt to be in my sewing room while I am cuddled up working at the computer.  Cut, Sew, Repeat is perfect inspiration!
    blue-carolina-from-the-tattooed-quilter-christopher-thompson
    Did you notice the pink cutting mat and pink polka dot pin bowl?  Aren't they ridiculously cute?  Lori Holt has a crazy cute new line of notions that I just can't get enough of   I seriously want one of the magnetic pin trays in every color!Easy peasy!  Now you know how to use half square triangle paper to make half-square triangles.  Aren'tblues are so soothing? I can't wait to see this quilt finished!  And I am totally over the moon because this line is being printed in knit fabric too.  Gorgeous!!!

    Learn How to Quilt Series

    • How to Chain Piece Quilt Blocks
    • How to Use a Rotary Cutter and Mat
    • How to Choose the Right Machine Quilting Needle
    • How to Use Half Square Triangle Paper

    Free Quilt Patterns

    • Swiss Cross Quilt Pattern
    • Simple Squares Quilt Pattern
    • Ribbons and Bows Quilt Pattern
    • Four Square Quilt Pattern
    • Safari Party Squared Quilt Pattern
    • Heart Block Mini Quilt

     

    « Candy Heart SVG for Valentines T-shirts
    Modern Sewcialites Club Block of the Month + My Word of the Year »

    Reader Interactions

    Comments

    1. vicki says

      February 09, 2018 at 3:29 am

      Very good instructions
      however
      the pale fond is very hard to read especially the light blue or green

      Reply
    2. Joan says

      June 10, 2018 at 6:44 am

      I don't understand #9. If the paper method is used, aren't the HST's accurate after cutting solid lines on paper. What do you mean by trimming to 3.5" so they will be 3"?

      Reply
    3. joan says

      June 10, 2018 at 7:01 am

      The only video was an ad. Where do I locate the video, please.

      Reply
    4. Susan Weltzin says

      May 26, 2019 at 2:50 am

      I have never seen that triangle paper pattern before.
      Please tell where I can find it, now I can make the blocks I have admired.
      Thank you for the information, I look forward to getting started.
      Sue

      Reply
      • Elsie says

        January 12, 2020 at 1:05 pm

        You can find it on amazon.com

        Reply
    5. Lynn says

      June 28, 2019 at 2:01 pm

      I also would love to find the paper pattern use on the magic method 8. I have never seen this before and am fascinated by this. Thank you, Lynn

      Reply
    6. Lorna says

      October 25, 2019 at 3:13 pm

      I also would love to find the paper pattern use on the magic method 8.I have never seen it before and i truly would liketo get some.Thank you hope to hear back from you.

      Reply

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