Crochet Filet Zigzags Pattern
Make 37 chain sts + 3 chain sts increase.
1st row: 3 double crochets in the 5th st from the crochet hook, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 4 double crochets, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, turn;
2nd row: 5 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 4 double crochets, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 4 double crochets, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 4 double crochets, 2 chain sts, 1 double crochet, turn;
3rd row: 5 chain sts, 1 double crochet, 2 chain sts, 4 double crochets, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 4 double crochets, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 4 double crochets, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, 2 chain sts, 1 double crochet, turn;
4th row: as 2nd row.
Repeat 1st-4th rows.