How to Make a Diagonal Quilt Back …

This blog post contains:

  • How to make a quilt back when you don’t have quite enough fabric for the backing.
  • Winner of the Fabric Draw from THIS Post

When I made one of my Log Cabin quilts for the Island Batik challenge, (see HERE) I wanted to use the lovely dark purple fabric (Gears – Purple Hyacinth) to back one of my log cabin quilts. But, alas, there was not enough. I have sometimes been asked how to make my diagonal backs, so I thought I’d do a short tutorial on it.

My quilt top is on the design wall. I took the dark purple and pinned it close to the top, folded it diagonally (not at 45o), just diagonally, from corner to corner. You can see how it looks ‘off’ from the quilt. That’s OK. You just want to have it diagonal.

Then I took my roller and pressed that diagonal line. The next step was to use my fabric shears and cut the diagonal line. I placed the 2 halves over the quilt, going beyond the quilt by about 3″ on each side. (that’s the extra I like to have when I’m free motion quilting). If you are worried about cutting on the bias, you can always put a small strip of iron-on interfacing on the cutting line before cutting. In this case, you may want to mark the line instead of ‘pressing’ it. When working with Island Batik fabrics, I don’t worry about the bias stretching and I am gentle with it!

Then, I measured the distance between the two halves … it was about 12.” I added 1/2” for seam allowance and I cut pieces of fabric 12 1/2” wide. Those were pieced together to make one long strip. Each half of the diagonally cut piece was sewn onto the long strip. 

Yes, I could have used one piece of fabric for the long strip, but I chose to use some of my favourite fabrics from the line in the strip.

When I go to sandwich my quilts, I make sure that the 2 opposite diagonal corners of the quilt end up on the centre piece. This will avoid any nasty build up of seams in the corners.

I’d love to hear if you’ve ever done this or if you plan to!

I’ll be linking to Kathleen McMusing’s Tips and Tutorials. If you’ve never been to her blog … the Tips and Tutorials has a plethora of fantastic quilting information. It’s well worth the visit. HERE.

When I posted my Island Batik Log Cabin Challenge, I offered readers / followers to have an opportunity to win some Heavy Metal fabric. The Rafflecopter only worked for some people, so I took the list from the Rafflecopter and the list from the comments and combined them. I used a Random Number Generator and the it’s #14 … Stella M. I have emailed her and the fabric will be in her hands soon!

One who sleeps under a quilt is covered by LOVE!

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20 thoughts on “How to Make a Diagonal Quilt Back …

  1. Hi Gail! This is so cool and your tutorial is spot on. Makes me want to try this for my next quilt! Thank you so much for sharing your technique with us. Happy Saturday to you. {{Hugs}} ~smile~ Roseanne

    Liked by 1 person

    • Thanks, Roseanne! I know I had seen another tutorial on making a similar, but different back and it used so much math I was confused! And that’s saying something for someone who once thought she might become a math teacher! :-). Of course, I’ll be looking for your back in the future! 🙂

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  2. Thanks for this fabulous solution for making a pieced backing! It looks lovely and it avoids mostly the problem of a seam ending right on top of another since it is diagonal! Thanks, too for linking up and promoting Tips and Tutes!

    Liked by 1 person

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