Two different colors of yarn. A size 8 crochet hook (or a hook that is appropriate for the type of yarn you are using). A pair of scissors.
Multiply the number of squares you want to create by 2 and then add 4. For example, if you want your interlocking crochet to have 6 squares, then you would multiply 6 by 2, which equals 12, and then add 4, which equals 16. If you want larger squares, then multiply the total number of squares by 3 and then add 5. [3] X Research source For example, if you wanted your interlocking crochet to have 5 squares, then you would multiple this by 3, which equals 15, and then add 5, which equals 20.
You’ll do this just like you would make any other foundation chain in crochet. [5] X Expert Source Lois WadewikiHow Crafts Expert Expert Interview. 8 June 2021.
To make your first window larger, count 8 stitches from the end. [7] X Research source
To make your windows larger, skip 2 stitches instead of 1. [9] X Research source
Continue to chain 1, skip 1, loop over, and double crochet until you reach the end. Keep making mesh squares following this pattern until you reach the end of your chain. [11] X Research source
If you want to interlock more filet mesh pieces, then follow the same strategy. To add the next piece, you would use the turning chain of the shorter piece and insert it in through the window of a long piece to connect it.
