Tutorial — Mitered Corners


Posted on April 3rd, by Amy in Tutorial. 43 comments

Start with a small mitered corner application to gain confidence in making excellent mitered corners every time!

To start gather notions and fabric scraps to practice :
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My square measures 8 1/2 inches, and the 4 strips are 1 1/2 x 12 inches. Take special note here: when making mitered corners your strip length needs to be much longer than your square, the wider your strip, the more length you need. I don’t have a formula here, but when in doubt make it longer :) When I was doing this the first time on my tree skirt, I ended up making my first round of border half the width to accommodate the miter — it wasn’t long enough for the width.

On with the instructions:

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pin your strips, center on your square, on opposite sides

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Sew with 1/4″ seam — I don’t reinforce my seams at all, it may be helpful to pull out a few stitches when setting the miter.

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I press open here to cut down on bulk

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pin and sew opposite sides borders to the square

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Press open again

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Fold your square on the diagonal, this works for rectangles too, but you would need to do one corner at a time.

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Match up your seams, making sure that the corner is lying flat without excess, and pin

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This is how I pin, you don’t want the seams to move, and you need your tails to be secure as well

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You can do both corners at once, just flip it over for the opposite corner

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Next line up your ruler on the diagonal, and mark the sewing line on the tail, like so —

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And sew on the line that you drew

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Open up your square to check your corner

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If you are pleased, trim to 1/4″ seam allowance, and press, if it’s not quite right just pull out your stitches and try again. Take your time lining things up :)

Now go back and fold in the opposite diagonal and repeat

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I like to trim up the extended seam allowances

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You should have 4 of these!

Mitered Corner Tutorial

So far I’ve used this technique for my tree skirt, and a few swap blocks. I envision throw pillows on the couch as the perfect project for mitered corners. Maybe that will be next :)

I think that’s everything! Let me know if you have any questions and I will do my best to answer them :) Have a great weekend!

Amy





43 thoughts on “Tutorial — Mitered Corners

  1. 1
    Stephanie says:

    Thanks Amy. I’ll bookmark it and perhaps I’ll actually do mitered corners sometime. I have done them in the past…many years ago…with great frustration! I shall not give up.

  2. 2
    Erin says:

    Thanks for the tutorial! I was kind of envisioning this was the way you made them, but this makes it so much clearer! : )

  3. 3
    jacquie says:

    thanks amy…i’m going to try this for sure…i’ve mitered a few borders, but i like your method better.

  4. 4
    Michaela says:

    Thank you so much for this tutorial. I thought I knew how to do it, but I didn’t.Thanks

  5. 5
    Sarah Pead says:

    This is a great tutorial. It will definitely go into my bookmarks so I can use it as a reference in the future. :)

  6. 6
    amylouwho says:

    awesome! I really want to try this on the sashing for my bird quilt! Thank you so much!

  7. 7
    Jackie says:

    Great tutorial! There are so many ways to miter and I love your way. I will have to try this one, it makes a lot of sense. Thanks!

  8. 8
    Sherri says:

    This is a terrific tutorial…I’ve already bookmarked it! My grandmother showed me this method many years ago…but I had forgotten the specifics…so thank you!

  9. 9
    SaraRules says:

    Fabulous! Thanks for the awesome tutorial! I’ve always been intimidated by mitered corners, but you make it look so easy!

  10. 10
    Amy says:

    What excellent work Amy. Thank you. The pictures really explain what you’re doing.

  11. 11
    Fiona says:

    Excellent tutorial Amy – Thanks for taking the time – You make it look so easy :) I am going to try it very soon

  12. 12
    sewtakeahike says:

    OMG Amy! I’ve never seen mitered corners done this way but now I certainly have to try it! Thank-you for this tut!! I’m seriously excited about your mitered corners!

  13. 13
    em's scrapbag says:

    Thanks I have always wanted to learn how to do that. I have bookmarked it. I look forward to giving it a try.

  14. 14
    Tipper says:

    A great tutorial Amy!! Almost makes me think even I could do it :)

  15. 15
    audreypawdrey says:

    Thanks for the tutorial! I am going to have to try this. I have always wondered how to go about doing it.

  16. 16
    Fulvia Luciano, artist says:

    I have never seen this explained so clearly; on top of that, you did a great job with the step-by-step photos and instructions. Congratulations!

  17. 17
    Anonymous says:

    Fabulous, Babe!!! great photography; I think I could actually follow your directions if my head was tracking properly…it’s full of oil painting right now and EASTER!!!!Love, hugs and kisses, Mom

  18. 18
    Artfulife says:

    What a great tutorial! Thanks for sharing.

  19. 19
    another amy says:

    Great job with the tutorial, Amy. I love the look of mitred corners, but I’m always scared to try. :) You have given me confidence.

  20. 20
    sheppy says:

    brilliant explanation, I was wondering how to do that (and what it was called)!

    Thank you

  21. 21
    Joan says:

    Thanks for the great tutorial. That sure is so much easier than the way I have been doing mitered corners!
    Have a nice day!

  22. 22
    Niesz Vintage Home says:

    Wow! Great tutorial.
    Thanks so much for the easy step-by-step instructions!

    Kimberly :)

  23. 23
    Rebekah says:

    thanks for posting this! This is definitely one tutorial that I’ve never mastered :)

  24. 24
    Marrdy says:

    When I try this I will have to print this out and follow step by step.

  25. 25
    Millie says:

    Thanks Amy for a great tutorial…will have to give it a try.

  26. 26
    Ella since Osix says:

    Oh.. tanks so much for sharing.

  27. 27
    Anonymous says:

    Thank you so much. I am making a quilt for a baby shower gift. And I want it to look extra nice. The pictures really help.

  28. 28
    TJ and Whitnee says:

    I don't ever miter my corners because I've never really known how! So thanks for this tutorial! I hope you don't mind if I share a link to this tutorial on sewwhattoday.blogspot.com on March 4!

  29. 29
    ByTheSea says:

    Thank you so much…. awesome.

  30. 30
    theodora says:

    very nice and easy to follow.

  31. 31
    pinksuedeshoe says:

    That is brilliant, thank you so much. This is like a gillion times easier than the last mitered corner project I did. Thank you thank you!

  32. 32
    Mary says:

    I totally think I can do this! Thanks so much!

  33. 33
    Sharon says:

    I love the tutorial on mitered corners. Will give it try and let you know how it comes out. Thanks for the tutorials.
    Thanks Sharon

  34. 34
    Brenda says:

    This is the easiest way to do mitered corners I have done and I have tried many. I use the formula of “Measure the length of your square plus the width of your boarder doubled”.

  35. 35
    Dina says:

    Great tutorial. I now will conquer the dreaded mitred corner. Your pdf of instructions will not print. Would like to have a print out – easier to follow at the sewing machine. Thank you.

  36. 36
    maria jose de milano says:

    excelente tutorial es muy bueno saber elaborar las costura perfectas por eso aprendo de las mejores, gracias por compartir saludos desde venezuela……..

  37. 37
    Rose says:

    the trouble I have is keeping corners mitered while hemming border. Mitered corners look ‘so’ professional and I have so much trouble with them. I guess they’re so simple ; they’re hard.

  38. 38
    Esther F. says:

    Thank you very much for this great tutorial! I just tried it for the first time and I am very happy with the results!
    Esther

  39. 39
    Friederike says:

    Many thanks for this great tutorial! Found it on pinterest and it will help me a lot in all my future sewing projects ;-)
    Have a fabulous week!
    Friederike

  40. 40
    Dyan says:

    Thank you very clear great tutorial !

  41. 41
    Gillian says:

    formula for strip lengths is length of side plus 2 x width of strip plus 2x seam allowance. Eg IG block is 6″ and strip will be finished width 1 inch (I.e. 1 and 1/4 cut) then length is 6 + 2 + 1/2 = 8 1/2″

  42. 42
    carmen says:

    muchas gracias ,

  43. 43

    that was very clear thanks

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