Here is what you will need.
Yarn: I used a little over 2 skeins of 100% cotton sport weight yarn that were 2 1/4 oz. each.
Hook: Size G
Chain 41.
R1: 1 dc in 7'th ch, *ch 1, 1 dc in 2nd ch, repeat from *, 1dc in last ch, ch 3, turn.
R2: 3 dc in 1st dc of previous row, * 1dc in 2nd dc, ch 1, dc in next dc, ch 1, dc in next dc, 7 dc in 2nd dc, repeat from *. 4 dc in turning ch, ch 3, turn.
R3: Work 3 dc together in the 2nd and next 2 dc, *ch 3, dc in next dc, ch 1, dc in next dc, ch 1, dc in next dc, ch 3, work 7 dc together in the next 7 dc, repeat from *, work 3 dc in next 3 dc, 1 dc in turning ch, ch 4, turn.
R4. *1 dc in ch 3 space, ch 1, 1 dc in next dc, ch 1, 1 dc in next dc, ch 1, 1 dc in next dc, ch 1, 1 dc in ch 3 space, ch 1, 1 dc in top of 7 dc worked together, ch 1, repeat from *, 1 dc in turning ch, ch 4, turn.
R5: Skip 1'st dc, *dc in next dc, ch 1, repeat from *, 1 dc in turning ch, ch 4, turn.
R6. 1 dc in 2nd dc, *7 dc in the 2nd dc, 1 dc in the 2nd dc, ch 1, 1 dc in the next dc, ch 1, 1 dc in the next dc, ch 1, repeat from *, 1 dc in turning ch, ch 4, turn.
R7: 1 dc in 2nd dc, *ch 3, work 7 dc together in next 7 dc, ch 3, 1dc in next dc, ch 1, 1 dc in next dc, ch 1, 1dc in next dc, repeat from *, 1 dc in turning ch, ch 4, turn.
R8: dc in 2nd dc, *ch 1, dc in ch 3 space, ch 1, 1 dc in top of 7 dc worked together, ch 1, 1 dc in ch 3 space, ch 1, 1 dc in next dc, ch 1, 1 dc in next dc, ch 1, 1 dc in next dc, repeat from *, 1 dc in turning ch, ch 3, turn.
Repeat R2-8 17 times.
Repeat R2-7 1 time.
Stitch 1 row of sc evenly all around the outside edge of the scarf, remembering to add an extra stitch at the corners to prevent bunching, slip stitch to first sc, and finish off.
Weave in all of the ends, trim, and done.
Second attempt at modeling. :)
P.S. I have been known to make mistakes. If you should find any feel free to let me know in the comments. Thanks!