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Thread: Half Square Triangle help!!!

  1. #1
    Super Member ScubaK's Avatar
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    Ok, My last quilt top was a challenge to say the least....
    I spent all day Saturday (last weekend) getting my "scant" 1/4" seam perfected...I think I am ok now!!!
    But....I cut out a quilt that has squares where you need to put a diagonal line down them and then sew 1/4" seams from this line...on each side then cut along the marked line.
    My problem is how do I do this if I have put my Seam Guide (Sticky tape) along my face plate of my machine and not have my triangles and seams go wonky?
    Am I going to have to take this off and start over, get a new face plate???
    Help!
    All suggestions are welcome...and how come I can't just slice the squares into half triangles and then sew the seams...?
    Kirsten

  2. #2
    BlueChicken's Avatar
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    Sewing the square is an easier way to do it, because you don't have a biased edge that can stretch. If you don't have a 1/4 inch foot for your machine, simply draw your line from corner to corner, then draw another line on each side, exactly 1/4 inch from the first. Sew down those lines, and voila! :-)

  3. #3
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    i do the same thing as the previous post -

    i have a ruler from fons and porter that you place on the square and you draw the line down both side and then just cut them apart.

  4. #4
    Power Poster amma's Avatar
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    You can try cutting one of your squares in half diagonally and sewing the seam. Check to see if it comes out the right size. Just be very careful you do not stretch the bias sides of your triangles :D

  5. #5
    Super Member Harmony's Avatar
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    I'd forget about that method completely and get some Thangles. They make it so easy, and your triangles will be perfect!

  6. #6
    Senior Member quiltswithdogs's Avatar
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    I love my 1/4 foot... Before I got it though, I had a magnetic tape to put onto face plate... but of course masking tape works just as well.

    As far as getting your tape off, have you tried fingernail polish remover? It works for lots of things.

    Masking tape is a better choice for many purposes since it doesn't damage the surface it is on. For example, it's great for putting up party decorations without peeling off the wall paint when removed. I've used it on my fabric for straight lines instead of penciling like when quilting diagonally across the squares.

  7. #7
    Power Poster Ninnie's Avatar
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    I also draw lines on mine. You can take the tape off with alcohol also.

  8. #8
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    i do like the others and draw the lines but i also cut my fabric bigger then it says. If pattern calls for 2 7/8 i cut it either 3 or 3 1/2 sew it and then square it up to 2.5. I always cut it bigger then called for.

  9. #9
    Super Member Sharon M's Avatar
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    I do like Zennia does, I always cut a little bigger then square it up. Also if you do take your tape off of your machine and clean it up, next time use blue masking tape it doesn't make the mess some tapes does. I haven't had my full cup of coffee yet this morning :wink: but why do you need to take your seam guide off? You aren't using it for this project, just ignore it, or did you build the tape thickness up to high?

  10. #10
    reneebobby's Avatar
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    http://www.bitsnpiecesworkshop.com/p...aresBlocks.php

    I tried this out and it works if you have any questions i'm sure Rhonda will answer them.

    Oh and it's simple as pie

  11. #11
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    Quote Originally Posted by reneebobby
    http://www.bitsnpiecesworkshop.com/p...aresBlocks.php

    I tried this out and it works if you have any questions i'm sure Rhonda will answer them.

    Oh and it's simple as pie
    that method is easy but it has a lot of wasted fabric. i think it would be fine for a few small half squares but if you're doing an entire quilt top with a lot of half squares you'd throw away as much fabric as you kept.

  12. #12
    reneebobby's Avatar
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    Didn't think of that since I'm still into squares and rectangles. lol I haven't grown up yet still scared. lol :roll:

  13. #13
    Super Member ScubaK's Avatar
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    Thanks for the tips and help!
    I am planning on starting the piecing tonight!
    Kirsten

  14. #14
    Super Member Rose Marie's Avatar
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    It is easy to make a pattern on your fabric. If you only need 4 half sq triangles say 2 1/2 in size. Cut a rectangle of two fabrics right sides togather that is 3 in by 6 inchs. Draw a line at the 3 in middle then draw lines corner to corner from that line. \l/ . Sew 1/4 in from each side of angled lines. Cut on all drawn lines then square up to 2 1/2 inchs. They will come out perfect every time. For each size larger add 2 inchs.
    I have tried many different methods including buying already marked patterns but that is a waste of money when it is so simple just to draw on the fabric.
    There is a ruler that makes squaring up the triangles easy too.
    Quilt in a Day has it. You just lay the line on the triangle before opening and cut two cuts and it is squared up. Fast easy and perfect every time.

  15. #15
    Super Member sidmona's Avatar
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    http://www.softexpressions.com/softw...ons/angler.htm

    This is the website for the Angler2. It is what I use to make my HST. You don't even have to mark the square; just line it up and sew.

  16. #16
    Power Poster Rhonda's Avatar
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    Quote Originally Posted by kluedesigns
    Quote Originally Posted by reneebobby
    http://www.bitsnpiecesworkshop.com/p...aresBlocks.php

    I tried this out and it works if you have any questions i'm sure Rhonda will answer them.

    Oh and it's simple as pie
    that method is easy but it has a lot of wasted fabric. i think it would be fine for a few small half squares but if you're doing an entire quilt top with a lot of half squares you'd throw away as much fabric as you kept.
    When I do a lot of the HSTs of the same color I use strips and sew the strips together.Then open the and iron. Use your template to place the corners on the seams and cut out moving up the strip til you get to the end. Then sew the other two sides together and do it again.

    You can butt up the tip of the square to the one below and then this leaves just enough to go back on the second time around and cut one out of the fabric that ends up left behind on the first time cutting. It is really about like using Thangles but without buying anything. You can get really close to the last one you cut and your waste will be minimal.

    The one reneebobby mentions is probably for scrappy stuff where you use a lot of differant fabrics which is what I show because that is what I do the most and it is simpler to show someone who has never done it my way before.

  17. #17
    Super Member Rose Marie's Avatar
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    The angler is fine for making one at a time but you usually need many more than that.

  18. #18
    Super Member Moonpi's Avatar
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    If you're doing lots of the same, these guides may help:
    http://qi.yarnslave.com/Blocks/TrianglePapers/

  19. #19
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    those paper guides are very cool

  20. #20

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    First you take a pencil and draw a line from the top left corner of your square and draw a line to the bottom right corner of your square. Then you sew 1/4 inch on both sides of the line you just made. Now, cut your square on the pencil line. Now you have perfect triangle squares!!! :)

  21. #21
    Super Member katier825's Avatar
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    Quote Originally Posted by kluedesigns
    i do the same thing as the previous post -

    i have a ruler from fons and porter that you place on the square and you draw the line down both side and then just cut them apart.
    this ruler is great! it's worth every penny! it really speeds up the process!

  22. #22
    Super Member butterflywing's Avatar
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    if you're planning to make your square and cut it in half diagonally, remember that you need to add seam allowances where the stitching will go. in other words, it won't work. you either need to use the drawn line method, which already takes the seam allowance into account, or cut triangles which have been made larger by taking the seam allowances into account from the get-go.

    as for staying 1/4' away from the drawn line, just practice a little bit. you just need confidence.

  23. #23
    Super Member Rose Marie's Avatar
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    I use the Fons and Porter 1/2 in ruler on occasion. The long one works well with the big squares to make 8 at a time. That way you dont need to judge 1/4 inch for each side of a drawn line since you just sew on the lines.

  24. #24
    Power Poster BellaBoo's Avatar
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    The WonderCut ruler is the best thing I've found to make a lot of half square triangles fast. Sew two strips of fabric together and then cut along the ruler. You have perfect HSTs.

    http://www.wondercutruler.com/

    Some say it's pricey I say getting frustrated and wasting fabric is way pricer. :wink:

  25. #25
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    i agree with you bella - i absolutely hate wasting fabric.

    i have that ruler too and use it quite often.

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