Crochet Lattice Pattern
The quantity of sts is multiple 4 + 2.
1st row: 1sc into 2nd ch from hook, 1sc into each ch to end, turn;
2nd row: 7ch, skip 1st 2sts, 1sc into next st, *7ch, skip 3sts, 1sc into next st; rep from * to last 2 sts, 3ch, skip 1 st, 1dc into last st, skip tch, turn;
3rd row: 1ch, 1sc into 1st st, *3ch, 1sc into next 7ch arch; rep from * to end, turn;
4th row: 1ch, 1sc into 1st st, *3ch into next 3ch arch, 1sc into next sc; rep from * to end, skip tch, turn.
Repeat 2nd-4th rows.