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About the designer

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 ...

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Borromean Rings Cowl

from sarah-marie's knitting patterns
(6) Name: 'Knitting : Borromean Rings Cowl
Borromean Rings Cowl
Borromean Rings Cowl
Borromean Rings Cowl

Basic Skills Necessary:

  • knit stitch, cast on, bind off

Pattern Description:

This piece was co-designed by sarah-marie belcastro and Madison Stuart.

Evelyn Lamb wrote a blog post about sarah-marie's knitted torus links, and opened with a picture of the (5,3) torus knot cowl sarah-marie had made for Madison. She then gave an image of the (probably) most famous link, the Borromean rings.

sarah-marie thought, *There should be a Borromean ring cowl!* and proceeded to search for such a pattern or project or post and, coming up with nothing, decided one should be made as soon as possible. That evening, she handed some yarn scraps to Madison and asked her to cast on. The next morning, she started typing up this pattern. And the rest is history.


Any gauge of yarn will work well.

Sizing / Finished Measurements:

  • 22" circumference


  • ~20 yds/m in each of 3 colors of yarn
  • a 16"--20" (or 24") circular knitting needle

You Will Also Need:

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