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Instructions for Blocking: How to Block Your Granny Squares

You might often see or hear about blocking, but it’s frequently overlooked in practice. Sometimes, when your finished product isn't as flat as you'd like, it’s not necessarily a technical issue—it might just need a little extra help. Learning to block can make your finished pieces look as polished as they do in tutorials, taking your projects to the next level.



What is block?

Blocking in crochet is a finishing technique used to shape and set the stitches of a finished project, ensuring that it meets the desired dimensions and appearance. It involves wetting, steaming, or spraying the crochet piece with water and then pinning it out to dry in the desired shape. This process can help to even out stitches, smooth out any wrinkles or curls, and give the project a polished, professional look.




Common Ways to Block Crochet Projects

  1. Wet Blocking
    Soak the crochet piece in lukewarm water until it is fully saturated. Gently squeeze out excess water (do not wring or twist). Lay the piece flat on a blocking mat or a clean towel, shaping it to the desired dimensions. Pin it in place using rust-proof pins or blocking wires. Allow it to dry completely.

  2. Steam Blocking 
    Pin the crochet piece to a blocking mat or clean towel, shaping it to the desired dimensions. Use a steam iron or steamer to apply steam to the piece without touching the iron directly to the fabric. Gently pat and shape the piece as you go. Allow it to cool and dry completely before unpinning.

  3. Spray Blocking
    Pin the crochet piece to a blocking mat or clean towel, shaping it to the desired dimensions. Use a spray bottle to lightly mist the piece with water until it is damp. Allow it to dry completely.

For lace patterns, garments, and projects with intricate designs, blocking is particularly beneficial because proper shaping and styling can greatly enhance their appearance. Additionally, if you're planning to make a blanket from granny squares or other motifs, the best way to maintain their shape is to block all the squares before joining them together. This ensures that the stitches align more easily during assembly, resulting in a neater finished product. So, let's dive into the specific blocking techniques using one of the most classic crochet projects — the granny square.




Steps to Block a Granny Square

Materials Needed  Blocking mat or foam board, Rust-proof pins or blocking pins,Spray bottle with water or a steamer, Measuring tape or ruler.

  1. Prepare the Square
    Ensure your granny square is clean. If it’s been used or handled a lot, you might want to wash it according to the yarn's care instructions.

  1. Set Up the Blocking Surface
    Lay out a blocking mat or foam board on a flat surface. You can also use a clean towel if you don't have a blocking mat.

  1. Shape the Square
  • Lay your granny square on the blocking surface. Gently stretch and shape it to the desired dimensions, making sure all corners are at right angles and the edges are straight.
  • Use a measuring tape or ruler to ensure the sides are equal and the square is symmetrical.

  1. Pin the Square
  • Starting at one corner, pin the square in place. Insert a pin through the corner and into the blocking surface.
  • Move to the opposite corner and pin it, gently stretching the square to the correct size.
  • Pin the remaining two corners, adjusting as necessary to ensure the square is even and straight.
  • Place additional pins along the edges, spacing them evenly to keep the sides straight and smooth.

  1. Dampen the Square
  • Fill a spray bottle with water and lightly mist the square until it is damp but not soaking wet.
  • Alternatively, use a steamer to steam the square, being careful not to touch the fabric directly with the steamer to avoid damaging it.

  1. Allow to Dry Leave the square pinned in place until it is completely dry. This can take several hours or overnight, depending on the thickness of the yarn and the humidity in the room.

  1. Remove Pins Once the square is dry, carefully remove the pins.



Tips for Blocking Granny Squares

  • Consistency 
    If you are blocking multiple squares, make sure to block each one to the same dimensions for a uniform appearance when joining.
  • Gentle Handling
    Handle the squares gently when pinning and unpinning to avoid stretching or distorting the stitches.
  • Rust-Proof Pins
    Use rust-proof pins to prevent any discoloration or damage to the yarn.



Blocking your granny squares can significantly improve the appearance and uniformity of your crochet projects, making them look more polished and professional.
However, not all projects need to be blocked, especially if your stitches are fairly even or you're using yarn with a stable texture. Most importantly, if you’re happy with how your project looks, feel free to skip blocking and dive into your next project!




1 comment on Instructions for Blocking: How to Block Your Granny Squares
  • Debora Harper
    Debora HarperAugust 23, 2024

    It would be very nice if you sold the board for blocking

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