NOTE: This pattern is written in American English. All measurements in charts are in cm. For conversion from inches to cm - click here.
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For this pattern in British English, please click here.
Crochet info: Replace first sc on every row with sc with 1 ch and first tr on every row with tr with 4 ch.
Finish every row with sc with 1 sc in 4th ch from beg of previous row and every row with tr with 1 tr in first ch from beg of previous row.
Pattern: * 1 row sc, 1 row tr *, repeat from *-* - Note: crochet in each sc/tr from previous row and not in between them.
Front band: Work front band as follows from mid front:
On rows with tr: 4 tr, 1 ch, 1 tr.
On rows with sc: 6 sc.
Pleats: Work pleats as follows:
Pleat to the left: Fold the 4 skipped tr to the left behind piece. Work sc on row to pleat, now work 2 sc through all 3 layers.
Pleat to the right: Fold the 4 skipped tr to the right behind piece. Work sc on row to 2 tr before pleat, now work 2 sc through all 3 layers.
Increasing tip: Inc 1 sc/tr at side by working 1 extra sc/tr in second but last sc.
Decreasing tip: Note: Only dec on rows with tr.
Dec as follows at beg of row: Replace 1 tr with 1 sl st.
Dec as follows at the end of row: Turn piece when no of tr to be dec remain and work return row.
Worked back and forth from mid front. See Crochet info! Crochet 208-233-253-278-308-333 ch (includes 4 ch to turn with) on crochet hook size 5 mm [H/8] with 1 thread Silke-Tweed and 1 thread Alpaca (= 2 threads).
Work first row as follows: Work 1 tr in 5th ch from hook, and continue as follows: * skip 1 ch, 1 tr in each of the next 4 ch *, repeat from *-*, but in the last repeat skip 1 ch and work 1 tr in each of the last 2 ch = 164-184-200-220-244-264 tr.
Turn piece and continue in Pattern - see above with 6 tr/sc on front bands each side see above. Remember the crochet gauge! When piece measures approx 15 cm  adjust so that next row is a row with sc continue as follows: 6 sc (front band), 9-9-7-7-9-9 sc, skip 4 tr, * 6 sc, skip 4 tr *, repeat from *-* a total of 13-15-17-19-21-23 times, finish with 9-9-7-7-9-9 sc and 6 sc (front band).
Work next row as follows with sc: 6 sc (front band), 9-9-7-7-9-9 sc, * Pleat to the left (= 2 sc) see explanation above - 4 sc *, repeat from *-* a total of 6-7-8-9-10-11 times, work Pleat to the left and finish with 2 sc , continue with * Pleat to the right (= 2 sc) see explanation above - 4 sc *, repeat from *-* a total of 6-7-8-9-10-11 times, finish with Pleat to the right, 9-9-7-7-9-9 sc and 6 sc (front band) = 108-120-128-140-156-168 sc. Now work 3 rows with sc in all sts. Divide the piece and complete each piece separately.
Right front piece:
Work sc in the first 30-33-35-38-42-45 sc on row, turn piece and work sc on return row. Now continue in Pattern and front band as before. When piece measures 20 cm  inc 1 tr/sc at side see Increasing tip. Repeat the inc when piece measures 35 cm [13 3/4] = 32-35-37-40-44-47 tr/sc.
When piece measures approx 39-40-41-42-43-44 cm [15¼-15¾-16 1/8-16½-17-17¼] dec for armhole at side at the end of every row with tr see Decreasing tip: 3 tr 1 time, 2 tr 0-1-2-2-3-4 times and 1 tr 1-1-1-3-5-5 times = 28-29-29-30-30-31 tr.
When piece measures approx 58-60-62-64-66-68 cm [22¾-23 5/8-24 3/8-25¼-26-26¾] adjust so that the last row is a row with tr do not work the outermost 13-14-14-14-14-14 tr at side (= shoulder) = 15-15-15-16-16-17 tr on collar. Continue in Pattern and front band as before. When collar measures 9-9-9-10-10-11 cm [3½-3½-3½-4-4-4 3/8] from shoulder, cut the thread.
Left front piece:
Like right front piece, but mirrored. Beg with sc from the side on the last 30-33-35-38-42-45 sc on row.
Work sc on the remaining 48-54-58-64-72-78 sc. Turn piece and work 1 more row with sc. Now continue in Pattern. When piece measures 18 and 23 cm [7 and 9] (different measurements to front pieces in order not to create a notch) inc each side as described for front piece = 52-58-62-68-76-82 tr/sc. When piece measures approx 39-40-41-42-43-44 cm [15¼-15¾-16 1/8-16½-17-17¼] dec for armhole each side as described for front piece = 44-46-46-48-48-50 tr/sc. When piece measures approx 55-57-59-61-63-65 cm [21 5/8-22½-23¼-24-24¾-25½] (only 1 row with sc + 1 row with tr left, adjust to front piece) work 1 row sc on 13-14-14-14-14-14 tr each side only (do not work the middle 18-18-18-20-20-22 tr = neckline). Work 1 row with tr and cut the thread, piece measures approx 58-60-62-64-66-68 cm [22¾-23 5/8-24 3/8-25¼-26-26¾].
Crochet 38-38-40-40-43-45 ch (includes 4 ch to turn with) with crochet hook size 5 mm [H/8] and 1 thread Silke-Tweed and 1 thread Alpaca (= 2 threads).
Work first row as follows: 1 tr in 5th ch from hook, * skip 1 ch, 1 tr in each of the next 4 ch *, repeat from *-*. Note: for size S, M and XXL finish row with 1 tr in each of the last 2 ch (instead of the last 4 ch) = 28-28-30-30-32-34 tr. Turn piece. Continue in Pattern as described for body piece. When piece measures 10 cm  inc 1 sc/tr each side by working 1 extra sc/tr in the last but one sc/tr each side on every 7-5-5-3.5-3.5-3 cm [2 ¾-2-2-1¼-1¼-1 1/8] a total of 6-8-8-10-10-11 times = 40-44-46-50-52-56 sc/tr.
When piece measures 48-47-47-46-44-43 cm [19-18½-18½-18-17¼-17] less for the larger sizes because of longer sleeve cap and wider shoulder - dec for sleeve cap each side on every row with tr see Decreasing tip: 5 tr 2 times, then 2 tr each side until piece measures approx 56-56-57-57-58-58 cm [22-22-22½-22½-22¾-22¾], cut the thread.
Sew shoulder seams, edge to edge with neat sts. Set in sleeves. Sew sleeve and side seam, edge to edge with neat sts. Sew collar tog mid back and sew to neckline.
Crochet a border round the entire opening and round sleeve edges on crochet hook size 5 mm [H/8] with 1 thread Vivaldi as follows: *1 sc, 1 ch, skip approx 0.5 cm [1/4] *, repeat from *-* and finish with 1 sl st in first sc from beg of round.
Sew on buttons to left front piece, the lower button approx 20 cm  from bottom edge, and the rest with approx 6-7 cm [2½-2¾] between each. Button buttons in crochet border.