Y x I twist cowl

from sarah-marie's knitting patterns

Y x I twist cowl Pattern

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Knitting: Y x I twist cowl
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Pattern Details:

Pattern Details

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Category:

Knitting

Type:

Accessory

Fit:

Women, Men, Petite, Tall, Plus-sized

Item:

Neckwear

Skill Level:

medium skill level requirement Intermediate

Basic Skills Necessary:

  • knit, purl, bind off

Pattern Description:

This cowl is actually a mathematical object, and both addictive and quick to knit. (The test knitters said so!). It is a particular generalization of a Mobius band, made by extruding a Y to a sort of three-finned thing, then rotating one end by 1/3 and gluing it to the other end. The schematic at left, fourth image, gives a hint of this shape. (Mathematical details are given in an optional section of the pattern.) There is no other cowl, or for that matter, no other knitted anything, that is like this cowl!

The name comes from a technical description of the mathematical object's construction. I had originally intended just to make a mathematical model, but when my prototype was done I realized it looked like a thin cowl... and thus I adapted it into a cowl pattern.

The purple-and-cream moss stitch cowl pictured here has been accepted into the juried 2013 Joint Mathematics Meetings Exhibit of Mathematical Art.

Any worsted-weight yarn will work for this cowl, and instructions are given for adapting the pattern to other yarn weights.

The pattern includes instructions for two different stitch patterns (moss and ribbing) in each of two sizes. There is no pattern-jog at the start/end of each round.

The shorter-size cowl requires about 200 yards of yarn; the longer-size cowl requires about 400 yards of yarn.

The cast on needed to construct the cowl is unusual, and the pattern includes two ways to cast on. Both are accompanied by several diagrams.

Gauge:

4.5 stitches to the inch

Sizing / Finished Measurements:

  • single loop around the neck and double loop around the neck
  • Inner diameter 11 inches (23 inches for the longer-size cowl).
  • Inner circumference 22 inches (46 inches for the longer-size cowl)
  • Fin Depth 3 inches (3.5 inches for the longer-size cowl)

Materials:

  • Three size 7 circular needles, the shortest of which is 24 inches in length (36 inches for the longer-size cowl).
  • One much skinnier circular needle, at least 24 inches in length.
  • It's best if the three size 7 needles are differently colored.

You Will Also Need:

  • tapestry needle for weaving in ends
  • one locking stitch marker

Suggested yarn:

200 yards of Worsted weight

Preferred Brand/Yarn:

Malabrigo Yarn Merino Worsted

About Designer

About Designer

smbelcas on craftsy.com

I'm a math professor by trade, and (unsurprisingly) my designs are informed by mathematical concepts. I co-edited the books Making Mathematics with Needlework: Ten Papers and Ten Projects and Crafting by Concepts: Fiber Arts and Mathematics with my colleague and friend Carolyn Yackel. You can find out more than you ever wanted to know about me and my way-too-many interests ...

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