There’s a big trend in techniques for crochet blankets: corner-to-corner crochet. The technique can be used to make any other square or (with adaptations) rectangular crochet projects.
Know how to do this already but want patterns? Here are some C2C crochet patterns from our marketplace.
Photos via Kathryn Vercillo of Crochet Concupiscence
As the name suggests, the technique begins in the corner. You create one block of four double crochet stitches in the corner, adding one block in each row so that you grow the square one block at a time in a triangular shape. When you get to the halfway point, reaching the size you want across the edge of the square, you decrease one block at a time until you get back down to one block on the opposite corner. It’s lots of fun and makes for beautiful work!
Walk through this tutorial for specific instructions for how to make a corner-to-corner crochet square. Once you’ve learned the basic technique, you’ll be able to apply it to square and rectangle projects like blankets, dishcloths and more.
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Corner-to-corner crochet tutorial
Crochet the first corner block. Dc in 4th ch from hook, dc in each of next 2 stitches.
Begin the 2nd row. Turn and ch 6.
Crochet 1st block of 2nd row. Repeat Step 2 to create the block.
Create the 2nd block in the 2nd row.
Corner-to-corner crochet is created by adding one block to each row. The corner, of course, begins with one block, so row 2 must have two blocks. You have already created the first block of the second row. To create the second block, you will work into the space between the third and fourth DC stitches on the left side of the first block (assuming that you are working right-handed crochet).
Working into that space:
- Sl st
- Ch 3 (counts as first dc)
- 3 dc
Start crocheting the 3rd row. Row 3 will have three blocks, which you will work the same way you created the blocks in Row 2.
First, repeat Steps 3 and 4 to create the first block of Row 3. Then, repeat Step 5 twice, once in each of the two blocks from Row 2.
Continuing your corner-to-corner crochet square
To keep growing your square, you will repeat Step 6, adding one more block each time. Do this until the row that you are on is the length of the square that you want to crochet. You will now have completed a triangle that is also the first half of your square.
Notice that the grain of the squares alternates direction from row to row, slanting up to left first, then the right. This creates a unique texture that can be fun to play with when working in solid colors as well as when working with variegated yarns.
When you have reached the size that you want across the long edge of your triangle, you are ready to decrease back down to the opposite corner. Each row will have one less block than the row before it. Here is how you make each decrease:
- Turn your work as normal to begin your next row.
- Sl st in each of the 3 dc stitches of the first block on the right.
- Work your blocks as normal across the row (repeating step 6 from above).
- However, do not work a block in the last block on the left side of the work. Instead, simply sl st into that space where you would have worked a block if this were an increase row.
And that’s it! Keep decreasing until you get down to one block at the corner opposite the beginning of your work. Finish off and weave in your ends.
Crochet your square into a rectangle
Love the texture of the corner to corner crochet stitch but want to create a rectangle instead of a square? No problem. Here are the basics:
- Crochet your corner-to-corner square until one straight side is the same length that you want the shorter side of your rectangle to be.
- Continue crocheting, but alternate increases and decreases each row, always increasing in the same direction and decreasing in the same direction. This keep the straight side the same length that it was while increasing the length of the other side.
- When your long side has reached the length that you want it to be, decrease as normal.
Finish Crochet with confidence
From edgings that every crocheter should have in the toolkit to best practices for blocking, learn how to finish crochet projects cleanly, confidently and beautifully!