DIY blocking board.

With the amount of squares I have been making lately, and with how warped they have been looking I decided that I needed to start blocking them.

Usually I use a sheet on the floor to block, but that means I have to take up floor space in miss 8’s bedroom, and buying blocking kits are expensive so I decided to make my own.

All it cost me was $6, the price of the tape.


A strong cardboard box

Waterproof cloth tape

And some cotton material (I used an old cot sheet)

First trim your cardboard to the size you want your blocking board to be. Don’t worry about  folds in the cardboard, it will be sitting flat while you are using it anyway, and you can reinforce the back if you want to.


Next seal off all of the sides with your tape. Now Place strips from top to bottom, slightly overlapping until all of one side is completely covered in tape.


So now this side of the cardboard is waterproof, and should be protected from the moisture while we are blocking. But it doesn’t look so pretty, and needs a little something to protect it from the heat of the iron. (If you block using steam) At this point you can tape another piece of cardboard to the back if you think it is too thin, or needs some reinforcing.

So cut a piece of fabric so that it has approx 3 – 4 inches of overhang on each side. Pull it nice and taut, taping it down on the side that still has cardboard exposed.


And here is the front:


And now you are ready to block your pieces!


Here are some of my ‘In a spin’ squares blocking.


NB your pins will get a little sticky from the glue on the tape. This is fine for blocking, but I wouldn’t go using your good sewing pins or something of the like with his board.

Happy crafting 🙂


2 thoughts on “DIY blocking board.

  1. Tina Burrows says:

    If you use a checked material you will have straight lines to follow when pinning

  2. What a great idea! I suppose you could use it to measure as well, say if the check were 1 cm or 1 in each.

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