Monday, August 27, 2018

Mitered Quilt Border Tutorial

New tutorial today - it's all about mitered borders!


Mitered Quilt Borders Tutorial at QuiltFabrication


My last quilt, Leaf Piles, used a striped inner border that required mitering in order to look it's best. If I had done the usual strip method (side borders on first, top & bottom borders last), the border corners would not have looked very good with the stripes butting into each other. With mitering, the stripes now border the quilt in a ring, one color, and then the next. 

mitered inner border on Leaf Piles

Mitered borders may look pretty scary, but really, they're pretty easy. Let's walk through the steps.


1. Border Length.


All borders strips are cut to the quilt top side lengths, plus an additional 2x the border width plus 1". The 2x the border width makes sure to cover each adjoining border, and the extra 1" is added insurance.


overlapping quilt borders

Here's some math: my finished border width is 4". To each strip, I'll add 2 x 4" + 1" = 9", giving the strip extra overlap on the adjoining borders. The above picture has more because that's the original length of the border strip I was working with. Personally, I'd rather have more fabric to work with than less! 


2. Sewing the Borders.


Stitch all the borders on, starting and stopping 1/4" from each edge at the quilt top corners.


stitching to within a quarter inch from each corner edge

Make a mark 1/4" in on each edge for easy reference, and backstitch to lock in those seams. Otherwise, those stitches have a pesky habit of coming out. Don't pile up the stitches in the corner, or leave a big space - it should be close but not too tight.


corner stitching with a small amount of space


3. Marking a 45 Degree Angle.


Holding the corner in on hand, fold the quilt top on a 45 degree angle from that corner. Line up the border seams and border edge, pinning everything in place.


quilt top folded on a 45 degree angle

Using a straight ruler with a 45 degree mark on it, line up that mark on the border edge with the ruler edge on the 45 degree fold of the quilt top.


lining up ruler for the 45 degree angle

On the borders, mark a line along the ruler edge, from the seams in the corner to the edge of the borders.


marked 45 degree angle line


4. Stitching the miter.


Starting at the seam end of the corner, stitch along the line to the border edge.


stitch on the 45 degree mark


5. Check the miter.


Unpin and open up the quilt top to check the miter. The corner where the three seams meet should lie flat, with no tucks and no gaps. The borders should also be square.


check miter seam and corner on front side of quilt

If there are issues, un-stitch, and repeat the process. I've found that overlapping stitching in the corner causes puckers. Leaving just a half stitch gap appears to allow the corner seams to have space to relax.


corner seam of a mitered border

And out of square borders can be caused by stitching at an angle that is not 45 degrees. 


6. Trimming.


When the corner is perfect (or at a point that you're happy with it!), refold the top to reveal that 45 degree stitching and trim the seam (the extra border length) to 1/4". Press open to decrease the bulk of fabric at the seam corner.


press mitered seam open


7. Stand back and admire a beautiful mitered corner!




mitered quilt border

Ready to give it a try, now that you know how easy it is? Hope so!

Happy Quilting!



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5 comments:

  1. Great tutorial, Susan. The photos really show the process beautifully.

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  2. Thank you Susan. This was really timely. I am about to make a mitered border on a quilt for the first time in years! This sounds like a really doable way of approaching it!

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  3. Thanks for the great tutorial, Susan! I've not tried a mitered border YET, but this give me hope! LOL I think I can do this!

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  4. Hi Susan! Thank you for sharing this tutorial. The details you share are fabulous and very helpful. I'll give them a try next time. ~smile~ Roseanne

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Thank you so much for commenting...you just made my day!