(ch a multiple of 6 sts + 4)

Row 1 Work 1 sc in 2nd ch from hook, 1 sc in next 2 ch, *ch 3, skip 3 ch, 1 sc in next 3 ch; rep from * across. Turn.
Row 2 Ch 1, 1 sc in first 2 sc, *skip 1 sc, 5 dc in ch-3 sp, skip 1 sc, 1 sc in next sc; rep from * end 1 sc in last sc. Turn.
Row 3 Ch 4 (counts as 1 sc and ch 3), skip (2 sc, 1 dc), 1 sc in next 3 dc, *ch 3, skip (1 dc, 1 sc, 1 dc), 1 sc in next 3 dc; rep from * to last 4 sts, end ch 3, skip (1 dc, 1 sc), 1 sc in last sc. Turn.
Row 4 Ch 3 (counts as 1 dc), 3 dc in first ch-3 sp, *skip 1 sc, 1 sc in next sc, skip 1 sc, 5 dc in ch-3 sp; rep from *, end last rep 4 dc in last ch-3 sp. Turn.
Row 5 Ch 1, 1 sc in first 3 dc, *ch 3, skip (1 dc, 1 sc, 1 dc), 1 sc in next 3 dc; rep from * across. Turn.

Rep rows 2–5.