V-st (1 dc, ch 3, 1 dc).
(ch a multiple of 10 sts + 8)
Row 1 1 Sc in 8th ch from hook, *ch 3, skip 2 ch, V-st in next ch, ch 3, skip 2 ch, 1 sc in next ch, ch 4, skip 3 ch, 1 sc in next ch; rep from * to end. Turn.
Row 2 Ch 3 (counts as 1 dc throughout), skip first sc, 3 dc in ch-4 sp, *ch 2, skip (1 sc, ch-3 sp), 1 dc in next dc, 1 dc in center ch of ch-3 sp, 1 dc in next dc, ch 2, skip (ch-3 sp, 1 sc), 8 dc in ch-4 sp; rep from *, end last rep 4 dc in last ch-sp. Turn.
Row 3 Ch 3, skip first dc, 1 dc in next 3 dc, *skip (ch-2 sp, 1 dc), V-st in next dc, skip (1 dc, ch-2 sp), 1 dc in next 3 dc, ch 2, skip 2 dc, 1 dc in next 3 dc; rep from *, end last rep 1 dc in last 3 dc, 1 dc in top of t-ch. Turn.
Row 4 Ch 3, skip first dc, 1 dc in next 3 dc, *skip next dc, V-st in center ch of ch-3, skip 1 dc, 1 dc in next 3 dc, 2 dc in ch-2 sp, 1 dc in next 3 dc; rep from *, end last rep 1 dc in top of t-ch. Turn.
Row 5 Ch 4 (counts as 1 dc and ch 1), 1 dc in first dc, ch 3, skip 4 dc, *1 sc in first dc of V-st, ch 4, skip ch-3 sp, 1 sc in next dc of V-st, ch 3, V-st between 4th and 5th dc of next 8-dc group, ch 3; rep from *, end 1 sc in first dc of last V-st, ch 4, skip ch-3 sp, 1 sc in next dc of V-st, ch 3, (1 dc, ch 1, 1 dc) in top of t-ch. Turn.
Row 6 Ch 3, 1 dc in first ch-1 sp, 1 dc in next dc, ch 2 *skip ch-3 sp, 8 dc in next ch-4 sp, ch 2, skip ch-3 sp, 1 dc in next dc, 1 dc in center ch of next ch-3 sp, 1 dc in next dc, ch 2; rep from *, end skip ch-3 sp, 8 dc in last ch-4 sp, ch 2, skip ch-3 sp, 1 dc in last dc, 1 dc in 3rd ch of t-ch. Turn.
Row 7 Ch 4 (counts as 1 dc and ch 1), skip first dc, 1 dc in next dc, *skip ch-2 sp, 1 dc in 3 dc, ch 2, skip 2 dc, 1 dc in next 3 dc, skip (ch-2 sp, 1 dc), V-st in next dc, skip 1 dc; rep from *, end last rep 1 dc in last dc, ch 1, 1 dc in top of t-ch. Turn.
Row 8 Ch 4 (counts as 1 dc and ch 1), skip first dc, 1 dc in first ch-1 sp, *skip 1 dc, 1 dc in next 3 dc, 2 dc in ch-2 sp, 1 dc in next 3 dc, V-st in center ch of ch-3 sp; rep from *, end last rep 1 dc in last ch-1 sp, ch 1, 1 dc in 3rd ch of t-ch. Turn.
Row 9 Ch 5, skip (1 dc, ch-1 sp), 1 sc in next dc, *ch 3, V-st between 4th and 5th dc of 8-dc group, ch 3, 1 sc in first dc of next V-st, ch 4, skip ch-3 sp, 1 sc in next dc; rep from * end ch 3, V-st between 4th and 5th dc of last 8-dc group, ch 3, skip next 4 dc, 1 sc in last dc, ch 4, 1 sc in top of t-ch. Turn.
Rep rows 2–9.