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Thread: Measurements for new way to make HST?

  1. #1
    Super Member jcrow's Avatar
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    Measurements for new way to make HST?

    I know there's a new way to make HST but I don't know how you figure out the measurements. I know you cut out two squares of equal size and put RST and then sew 1/4" around the outside of the block and cut it into 4 triangles and it give you 4 HST. But if you want the end result to be 2 1/2", how big of pieces of fabric should I cut? Is there a way to figure any size of HST out?
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    Junior Member Christine George's Avatar
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    I only use the two HST method. The one you're using gets me too confused. Two squares RST as you said. Draw diagonal line, corner to corner, on the back of the lighter one so you can see it. Sew 1/4" from the line first one way then on the other side of the line. These are easy to chain piece. Then cut in two on the line and you have two HST. My measurements are 1/2" bigger squares to start. So.....start with 6" squares, RST, and when you cut apart you should have two 5 1/2" HST finished.

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    I also only do 2 HST's at a time. Doing the method with 4 as you describe leaves bias edges on all outside edges. These can be a bear to sew and have a tendency to get very wonky with handling.

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    Super Member Leota's Avatar
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    I agree with Christine

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    Senior Member pinkberrykay's Avatar
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    I just did 2 HST's for a wall hanging boarder and they were super easy. I think Fons and Porter makes a ruler for this but the description above works just as good if not better.

  6. #6
    Junior Member JOMARIE's Avatar
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    I have the same question. The 5 inch charm comes to about 3 inches which can be squared off to 2.5. Missouri Star Quilt originated this ask the question on their blog. I am going to try different size squares to find out.

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    this is one of the easiest methods to figure out.... remember that on your double layer square, you will be drawing a big 'X' so you can cut accurately when done (you don't really need to do this... it's just nice to see one or two done, cut, pressed seams set, open, and press open to measure and check our method... once you do one or two.... just cut your big squares and go.... you are sewing around the edge with your 1/4" foot so there is no need to mark the 'X'..... okay.... but draw one right now... a square with the 'X' in it..... see the center where the cross is? that is one of the CORNERS of your eventual HST.... see it? from corner (at seam) to center of square is one SIDE of your HST.... so your cross must be twice the length of your needed HST.... 2.5" HST? you much have 5" (ON THE DIAGONAL!!!, just measure the diagonal line on one of your big rulers... then follow to the edge to see the size of the squrare) (2 'X') and then the seam for the 5" (5.5") AND if you're like me.... i trim all HSTs before sewing them to anything so i need another seam for trimming... so 6"...
    now I sew the 1/4"... down to 5.5"...
    cut apart from corner to corner, and i still have a bit to trim so they will be perfect size and flat... press before trimming, this is a job for the TV at night, good light, bread board to work on, little board to cut on and rotate on, rotary cutter and good (small, in this case) square-up ruler.... it takes a bit of time but you will love the result if you have never done this before...
    Last edited by deemail; 01-25-2012 at 02:37 PM.

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    this is NOT new...BIllie Lauder started this many years ago!

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    Power Poster MadQuilter's Avatar
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    Sorry can't answer the question. I just wanted to say that I don't like that method because of all the bias edges. I don't like to be that careful with my HSTs and rather use the standard square to make 2 and then cut them down.
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  10. #10
    Junior Member wyoming_quilter's Avatar
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    I have cut my squares at 4 1/4" square. This allows you to trim a little to get a 2 1/2" HST.
    Kara

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    Super Member paulswalia's Avatar
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    Check out Eleanor Burns approach to making HSTs - look here: http://www.quiltinaday.com/RulerInst...UpIns_web.pdfg

  12. #12
    Super Member paulswalia's Avatar
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    There's also a method where you sew two long strips (WOF) right sides togetheron BOTH long edges and cut triangles from this strip, one cut on one side, the next on the opposite side - this is really quick, but requires a special ruler, I think.

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    Senior Member margie77072's Avatar
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    The direction are on YouTube under Missouri Quilt....Be careful. This method results in bias edges on all sides, which in turn may cause uneven blocks...ask me how I know. There was a suggestion that if you did this method spray starch your squares heavily.

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    I do hst's using the thangles as it takes the math out. They come in all sizes and thangles isn't the only company that has them. They are paper patterns with the sewing lines printed on them and after you sew them just remove the paper. They come in all sizes.
    Last edited by Kathy Osterby; 01-25-2012 at 03:10 PM. Reason: add info
    Kathy Osterby

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    Super Member Havplenty's Avatar
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    calculating hst square

    here is a site that helps with the calculation and gives you a visual. i use this method quite a bit. what i have found is that you measure the diagonal of the square size you want (i.e. 5" hst) and add 1/2" for seam allowance to that measurement. then cut the two squares that size. it's the same idea deemail laid out.

    http://whipup.net/2011/03/17/guest-b...are-triangles/
    Last edited by Havplenty; 01-25-2012 at 04:15 PM.

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    What is "RST" and "HST"? Thanks

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    Super Member Havplenty's Avatar
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    Quote Originally Posted by luce321 View Post
    What is "RST" and "HST"? Thanks

    RST- right sides together

    HST - half square triangles

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    Super Member LeslieFrost's Avatar
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    Quote Originally Posted by paulswalia View Post
    There's also a method where you sew two long strips (WOF) right sides togetheron BOTH long edges and cut triangles from this strip, one cut on one side, the next on the opposite side - this is really quick, but requires a special ruler, I think.
    I have had the best luck with this method. It also results in bias on the edges, however. I starch the fabric or use Best Press on it.

    You do not need a special ruler. Any ruler that is marked with a 45 degree line will do. For the first cut, put the 45 degree line along the top edge of the sewn strip, for the second cut put the 45 degree line along the bottom edge of the sewn strip. Then, just take out the stitches at the top of each triangle.
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    Super Member ontheriver's Avatar
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    Here is a chart I found online some time ago. I haven't tried all the sizes yet to confirm but the ones I did came out right. Hope this helps

    Sq = hst

    2 in = 1
    2.5 = 1.5
    3.5 = 2
    4 = 2.5
    5 = 3.5
    6 = 4
    7 = 4.5
    8 = 5
    8.5 = 5.5
    9 = 6
    10 = 7
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  20. #20
    Senior Member Sew N Tune's Avatar
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    Google half square triangle paper sheets, and you can download these free. Any finished size you want.
    The one who dies with the most fabric wins.

  21. #21
    Super Member moreland's Avatar
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    Quote Originally Posted by NJ Quilter View Post
    I also only do 2 HST's at a time. Doing the method with 4 as you describe leaves bias edges on all outside edges. These can be a bear to sew and have a tendency to get very wonky with handling.
    I do mine this way all the time and if you use some starch or Best Press to stablize your block, the bias edge is not a problem.
    God Bless,
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  22. #22
    Super Member Havplenty's Avatar
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    here are two links i have for the free gridded paper ones. you print the paper grid out and sew on top of it with your fabric sandwiched underneath. i couldnt find one for the 5" hst's i needed so if anyone has a link for that size i would love to have it.

    http://www.quiltingandwhatnot.ca/Hal...-Triangle.html
    http://blockcentral.com/a-halfsquaretrianglepaper.shtml

    Quote Originally Posted by Sew N Tune View Post
    Google half square triangle paper sheets, and you can download these free. Any finished size you want.
    Last edited by Havplenty; 01-26-2012 at 08:09 AM.

  23. #23
    Super Member Havplenty's Avatar
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    agreed. i just cut out 96 5" hst's with this method and no problem on wonky or uneven nor problems handling. the process was like butter and they are all cut, pressed & ready to sew together.

    Quote Originally Posted by moreland View Post
    I do mine this way all the time and if you use some starch or Best Press to stablize your block, the bias edge is not a problem.

  24. #24
    Super Member Havplenty's Avatar
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    i used a 7.5" square to get four 5" hst's that came out perfectly sized only needing to cut off the dog ears.

    Quote Originally Posted by ontheriver View Post
    Here is a chart I found online some time ago. I haven't tried all the sizes yet to confirm but the ones I did came out right. Hope this helps

    Sq = hst

    2 in = 1
    2.5 = 1.5
    3.5 = 2
    4 = 2.5
    5 = 3.5
    6 = 4
    7 = 4.5
    8 = 5
    8.5 = 5.5
    9 = 6
    10 = 7

  25. #25
    Super Member SueSew's Avatar
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    Quote Originally Posted by NJ Quilter View Post
    I also only do 2 HST's at a time. Doing the method with 4 as you describe leaves bias edges on all outside edges. These can be a bear to sew and have a tendency to get very wonky with handling.
    This is probably a dumb beginners question regarding bias. If the final triangles have bias on all 4 sides using this 4-at-a-time method, then why not cut the original squares on the bias? That way you sew the outside edges on the bias which may require a little spray magic, but the outside edges of the final 4 triangles are all nice and straight.

    ???
    SueSew
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