DIY Blocking Board

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How I blocked My Patchwork Mystery CAL Squares.

Why buy it when you can make it? I catch myself saying that far to often than I actually have time to make the things I want to make! I can’t be the only one, right? Us makers are the worst for this I think. I have purchase a ton of yarn and tools since I started crocheting but the one thing I have not invested in is a blocking board. I have only had to block a couple of times because unless it needs to be perfect for photos, the whole process seems too tedious. Although, as I started hooking up my Patchwork Mystery CAL squares it became very obvious that this is the type of project that NEEDS to be blocked. Since I was admittedly in denial of this for awhile, I was also in a bit of a time crunch so I did not have the time or budget to order them right away. NO PROBLEM! DIY blocking board to the rescue, using a few things from around the house and just a couple mins to put it together. I have seen questions around the fiber arts community about how to block when you don’t have a board, so I thought I would share how I blocked my Patchwork Mystery CAL Squares.

  • Corrugated Cardboard larger that the item you want to block
  • Wax Paper
  • Straight Pins
  • Water Spray bottle
  • Towel
  • Tape
  • Scissors
  • Ruler
  • Marker

  1. Cut the cardboard to the size that you need for you project. I used about a 16″ square for my 12″ Patchwork squares.
  2. Use a ruler and maker to draw guild lines on the cardboard. For my 12″ Patchwork squares, I used drew a 13″ to account for a few of my square that were just over 12″ and the smaller ones stretched out just as well.
  3. Take 2 pieces of wax paper, wax side facing upward, so they overlap the edge of your cardboard by a few inches. Place a couple pieces of tape to hold down the overlap in the middle and fold the edges over and secure them with tape on the back.
  4. Place your square on a towel, using the spray bottle mist your square so it feels a little wet but not soaked. Use the towel to dab off any extra or uneven moisture.
  5. You should be able to see the guild lines you drew earlier through the wax paper. Starting in one corner, place a though the corner ch space into the cardboard. Be sure to work on a surface that will not be damaged if the pins pokes though and be careful of your fingers too!
  6. Place a pin every 2-3 stitches around your square stretching it out as you go.
  7. Let your square sit for a couple hours to air dry. When it is dry, remove the pins and your square will be nicely blocked and ready to join together.


My mini maker loves helping me pull out the pins once everything is dry! You will see after blocking that the sides of your block are more square, lay flat and the stitches more defined. It will also help your squares to be a more uniform size, avoiding bunching and pulling in your final project. The photos below show a square before and after blocking.

I found this to be a very effective and inexpensive way to block my squares and the board held up to blocking all 12 of my Patchwork squares. Keep in mind that it is cardboard, so I recommend not spraying directly on the board. The wax paper will withstand some moisture but be sure to towel any extra off before pinning. That being said, the pins will create tiny holes in your board, so it will eventually wear out, so it us not the best long term solution but in a pinch it works fantastic! If you try out my diy blocking board be sure to let me know how it goes on Instagram and Facebook! To see more amazing squared from the Patchwork Mystery CAL, head over to out Facebook group to see all the participants beautiful work.

Happy Hooking!

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