Tutorial: How to make a perfect four-patch quilt block.


Piecing a perfect four-patch block is just one of those things a quilter should have under their belt, if you know what I mean. Luckily, it’s a quick and easy process (nevermind that it took me about a billion pictures to show how easy it is…). Once you get the hang of it, you can crank these babies out in no time flat, and you’ll want to, they’re in a TON of patterns. I apologize in advance for these colors. They’re pretty much clashing with everything else here…

Start with 4 squares of fabric, all the same size.

Take the squares on the left and flip them over so they are face down on top of the fabrics on the right. The “right sides” of the squares should be facing each other. In quilting terms, this is called “right sides together”. I know, we’re a creative bunch. Pin, if necessary. My squares are only 2½” square, so it’s not needed in my case, but if you’re working with squares bigger than about 3″, I suggest pins.

Using a 1/4″ seam allowance, sew both sets of two squares together using a straight stitch. To make things easier later, do NOT take a double stitch or backstitch on the first and last stitches.

They’ll look like this. Only with your fabrics, of course.

Put your sewn squares on your ironing board without opening them.

Press the seam allowance with a hot iron. I know this seems weird, but it’s called “setting” the seams. It makes the thread lay more flat so that when you open up the block and press it, it lays, well, more flat.

See? Looking flatter already.

Now, open up your pieces and lay them face down.

Decide which way you will press your seam allowance. Ideally, you will press in opposite directions, toward the darker fabric. So, see how the block on top is being pressed to the left, while the block on the bottom is being pressed to the right? This makes it really easy, later on, to make a perfectly aligned intersection. To make sure you don’t “lose” any fabric in the seam, gently pull both sides of the block away from the seam while using your fingers to press and hold the seam allowance the direction you will press it with the iron. Work slowly and carefully so you don’t skew or stretch your blocks.

Press with hot iron.

Now, place the right sides together again. You will notice that your seam allowances are facing different directions, directly opposite each other. You will also notice, that if you use your fingers to gently slide the blocks against each other, you can feel when the block “clicks” into place. This is usually called “butting” or “nesting” your seams, and is a great way to not only get precise intersections, but also to distribute bulk.

Pin. Usually, I will pin at the top, at each intersection, and at the bottom. If there is more than 3 inches or so between, I will pin there, too.

Using a 1/4″ seam allowance, sew. Be sure to remove your pins before they go under your presser foot.

Lay flat on your ironing board, and set the seam.

Open up the block, face down on your ironing board. Push the seam allowance in opposite directions on the top and bottom.

Since you didn’t take any backstitches before, pushing the seam allowances will loosen those middle stitches, allowing them to come out and open up, like this. Isn’t it cute? Besides being cute, it is also much flatter than pressing your seam allowance all to one side. (There ARE situations where that is a better option, though, so follow your pattern’s instructions.)

Press it. (And when I say press it, I mean pick up your iron, and place it on the block. Straight down. Don’t move it around. That will just stretch and warp your block.)

Now, flip it over, and give it one more press. Voila! A perfect four-patch block!

I knew you could do it.

Any questions? Tips or tricks? Share!

| Filed under Quilting, Tutorial

44 thoughts on “Tutorial: How to make a perfect four-patch quilt block.

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  2. Thank you. I supposedly know all of that, but you really made it easier for me to remember that! I had forgotten how important this method is until you emphasized for me in a clean, clear visual. :)

  3. Thanks, this is brilliant; I have only made one patchwork quilt and it was such an epic that I was put off trying again but with this advice I think I’ll give it another go!
    Is it best to start with four squares and then add more if you want a bigger block or is it a different technique all together for bigger blocks?

  4. That was brilliant, thank you for such clear instructions. I am new to patchwork and this is my first successful “butting”. A very useful tutorial that I will use over and over again.

  5. This will come in handy when I make my first one. I am a beginner at sewing, but I want so bad to make a quilt. This helps a lot. Thank you!

  6. Thanks for sharing information. It makes such a difference when you know what to do. Thanks again. I am new to quilting and loving it.

  7. I love it! Even better is how you detail everything so even us slow people understand. Please send me all your “help”. Can’t wait for the next thing you teach me! Tnank you

  8. Excellent tutorial. There are few bloggers who insert so many of the finer details – those things that take a project to the next level. I’ll have to check out your other work!

  9. Great hint,but you pressed to the dark side in the beginning,but in the end they were reversed so now I know to press to light side in the beginning.

    1. Jo: take another look. The first two seams are the ones that are horizontal in the final picture. They were pressed to the dark side. The final seam, the one that completes the four-patch, is the vertical seam in the final photos. And yes, that seam is split at the intersection and pressed to the two light sides.

  10. Can I just say what a relief to uncover a person that actually understands
    what they’re talking about over the internet. You certainly understand how to bring an issue to light and make
    it important. A lot more people really need to read this and understand this side of
    the story. I was surprised that you aren’t more popular because you surely possess the gift.

  11. Hi
    So simple – well it looks simple, I will try this. I love the way that your text was non jargon, it makes a change. When you are trying to learn new things books and articles often confuse you at the first hurdle or discuss it and expect you to absorb what they are saying and bang the next minute the first pattern starts using the jargon!

  12. Always wondered how they did this, now I know and I have you to thank for it! You are wonderful, many many thanks, Tina (Auckland New Zealand)

  13. Many of us are Visuals. We love demonstrations and pictures. We learn easily this way. You, my friend have a brilliant career in your future!!! Frieda Christianson

  14. As a volunteer, I organized two groups and taught quilting locally four times a month for seven years while working full time in government. I ended up with major burnout. Then I faced cancer head on and was blessed to make it through. Now, four years after cancer and retired, the call to teach has returned. I’m back at the sewing machine and making plans. What a difference Pinterest makes when doing research! Finding your tute, reminding me of techniques I once knew, serves as a wonderful refresher course as I jump back into the quilting world. One of the reasons I love quilting is because the people I “meet” in this craft are always so friendly and helpful. Thank you for sharing!!

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