November 2013
Fingering (14 wpi) ?
32 stitches and 40 rows = 4 inches
US 1 - 2.25 mm
916 yards (838 m)
M (L) see notes
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Op-art artists, such as Heinz Mack (born 1931), evoke the impression of lines and curves by the juxtaposition of alternating black and white lines. This concept is also used in shadow knitting in which garter ridges in one color alternate with single rows of stockinette stitch in a
contrasting color.

For this sock design, named for Heinz Mack, the color of the garter ridges alternates between adjacent blocks (or crescents) of pattern to produce visual movement. The op-art shapes are worked one on top of another in brick fashion in rows, then joined to form tubes. For fun, the colors are reversed between the two socks.

Size: About 7 (7½)“ (18 19 cm) foot circumference, unstretched, and 9½ (10)” (24 25.5 cm) foot length from back of heel to tip of toe (length is adjustable). To fit U.S. women’s shoe sizes 7½–8½ (9–10); European shoe sizes 39–40 (41–42). Socks shown measure