Yarn: 4 x 50g Sublime Baby Cashmere Merino Silk DK, 464m/508yds. I used the colorway 'Button' 0051. Of course, you can substitute any DK yarn, as long as the yardage is about the same.
Needles: 4mm/US size 6
Legend:
T3F: twist 3 front (slip next 2st onto cable n
eedle in front of work, P1 from Left-hand needle, K2 st from cable needle)
T3B: twist 3 back (slip next st onto cable needle at back of work, K2 st from Left-hand needle,P 1st from cable needle)
C4F: cable 4 front (slip next 2st onto cable needle
at front of work, K2 st from Left-hand needle,K2 st from cable needle)
T4F: twist 4 front (slip next 2 st onto cable needle at front of work, P2 st from Left-hand needle, K2 st from cable needle)
T4B: twist 4 back (slip next 2 st onto cable needle at back of work, K2 st from Left-hand needle, P2 st from cable needle)
T5L: twist 5 left(slip next 2 st onto the cable needle in front of work, K2,P1 from Left-hand needle, then K2 off the cable needle)
The first and last 3 stitches in each row create a garter stitch edging.
Cast on 58 stitches.
Knit 3 rows.
Row 1 (RS): K3,P1 [P5,T5L,P5] P2 [P2,C4F,P4,C4F,P2] P2 [P5,T5L,P5] P1,K3
Row 2: K4 [K5,P2,K1,P2,K5] K2 [K2,P4,K4,P4,K2] K2 [K5,P2,K1,P2,K5] K4
Row 3: K3,P1 [P4,T3B,K1,T3F,P4] P2 [P2,K4,P4,K4,P2] P2 [P4,T3B,K1,T3F,P4] P1,K3
Row 4: K4 [K4,P2,K1,P1,K1,P2,K4] K2 [K2,P4,K4,P4,K2] K2 [K4,P2,K1,P1,K1,P2,K4] K4
Row 5:K3,P1 [P3,T3B,K1,P1,K1,T3F,P3] P2 [P2,C4F,P4,C4F,P2] P2 [P3,T3B,K1,P1,K1,T3F,P3] P1,K3
Row 6: K4 [K3,P2(K1,P1 twice)K1,P2,K3] K2 [K2,P4,K4,P4,K2] K2 [K3,P2 (K1,P1 twice) K1,P2,K3] K4
Row 7: K3,P1 [P2,T3B,(K1,P1 twice)K1,T3F,P2] P2 [(T4B,T4F twice)] P2 [P2,T3B,(K1,P1 twice) K1,T3F,P2] P1,K3
Row 8:K4 [K2,P2(K1,P1 three times) K1,P2,K2] K2 [P2,K4,P4,K4,P2] K2 [K2,P2(K1,P1 three times)K1,P2,K2] K4
Row 9: K3,P1 [P1,T3B(K1,P1 three times)K1,T3F,P1] P2 [K2,P4,C4F,P4,K2] P2 [P1,T3B(K1,P1 three times) K1,T3F,P1] P1,K3
Row 10: K4 [K1,P2,(K1,P1 four times)K1,P2,K1] K2 [P2,K4,P4,K4,P2] K2 [K1,P2(K1,P1 four times) K1,P2,K1] K4
Row 11: K3,P1 [T3B(K1,P1 four times) K1,T3F] P2 [K2,P4,K4,P4,K2] P2 [T3B (K1,P1 four times) K1,T3F] P1,K3
Row 12: K4 [P2(K1,P1 five times)K1,P2] K2 [P2,K4,P4,K4,P2] K2 [P2(K1,P1 five times) K1,P2] K4
Row 13: K3,P1 [P5,T5L,P5] P2 [K2,P4,C4F,P4,K2] P2 [ P5,T5L,P5] P1,K3
Row 14: K4 [K5,P2,K1,P2,K5] K2 [ P2,K4,P4,K4,P2] K2 [K5,P2,K1,P2,K5] K4
Row 15: K3 ,P1[P4,T3B,K1,T3F,P4] P2 [ K2,P4,K4,P4,K2] P2 [P4,T3B,K1,T3F,P4] P1,K3
Row 16: K4 [K4,P2,K1,P1,
K1,P2,K4] K2 [P2,K4,P4,K4,P2] K2 [K4,P2,K1,P1,K1,P2,K4] K4
Row 17: K3,P1 [P3,T3B,K1,P1,K1,T3F,P3] P2 [K2,P4,C4F,P4,K2] P2 [P3,T3B,K1,P1,K1,T3F,P3] P1,K3
Row 18: K4 [K3,P2(K1,P1 twice)K1,P2,K3] K2 [P2,K4,P4,K4,P2] K2 [K3,P2(K1,P1 twice) K1,P2,K3] K4
Row 19: K3,P1 [P2,T3B(K1,P1 twice)K1,T3F,P2] P2 [K2,P4,K4,P4,K2] P2 [P2,T3B(K1,P1 twice) K1,T3F,P2] P1,K3
Row 20: K4 [K2,P2(K1,P1 three times)K1,P2,K2] K2 [P2,K4,P4,K4,P2] K2 [K2,P2(K1,P1 three times) K1,P2,K2] K4
Row 21: K3,P1 [P1,T3B(K1,P1 three times)K1,T3F,P1] P2 [K2,P4,C4F,P4,K2] P2 [P1,T3B(K1,P1 three times)K1,T3F,P1] P1,K3
Row 22: K4 [K1,P2(K1,P1 four times)K1,P2,K1] K2 [P2,K4,P4,K4,P2] K2 [K1,P2(K1,P1 four times)K1,P2,K1] K4
Row 23: K3,P1 [T3B(K1,P1 four times)K1,T3F] P2 [(T4F,T4B) twice] P2 [T3B(K1,P1 four times) K1,P2,K1] P1,K3
Row 24: K4 [P2(K1,P1 five times)K1,P2] K2 [K2,P4,K4,P4,K2] K2 [P2(K1,P1 five times)K1,P2] K4
Repeat the above 24 pattern rows as many times as you like until the scarf has reached your desired length; tension/gauge is not particularly important - I found 1 ball did about 102 rows, or just over 4 pattern repeats.
Knit 3 rows.
Cast off. Wash and block gently.
