Pi Cowl - by Emily Williams - from Twisted Pattern Line
Pi Day is celebrated on March 14th (3/14) around the world. Pi (the Greek letter “p”) is the symbol used in mathematics to represent the ratio of the circumference of a circle to its diameter — which is approximately 3.14159. This cowl is a circle made into a circle with stripes sized according to the digits of Pi. A nerd’s delight!
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For single [double, triple] loop cowl. Split total yardage equally between at least three different colors, or as many as desired. Shown using five colors.
Lace-weight yarn: 450 [1130, 1620] yards/ 411 [1033, 1481] meters total.
Fingering-weight yarn: 415 [1000, 1500] yards/379 [914, 1372] meters total.
Sport-weight yarn: 375 [950, 1375] yards/343 [869, 1257] meters total.
DK-weight yarn: 345 [875, 1250] yards/315 [800, 1143] meters total.
Worsted-weight yarn: 310 [785, 1125] yards/283 [718, 1029] meters total.
Shown as double loop version in Knitted Wit Victory Sock, colorways Yellow Brick Road, Cedar, Winter’s Night, Naked, and Her Majesty.
For lace (fingering, sport, DK, worsted): US #3/3.25mm (US #4/3.5mm, US #6/4mm, US #7/4.5mm, US #9/5.5mm) (or size to get gauge) for working in the round (either 16”/40cm circular, double points, two circulars, or a long circular for magic loop).
For lace (fingering, sport, DK, worsted) weight yarn: 26 (24, 22, 20, 18) stitches = 4”/10 cm in stockinette stitch. Gauge is not crucial, but will affect finished size and yardage used.
Advanced beginner (optional: provisional cast on & grafting)
For single [double, triple] loop, circumference: 22 [56, 80]"/56 [142, 203] cm. Width: 8.5"/22 cm. Measured after blocking.