designers
sarah-marie belcastro

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sarah-marie belcastro

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 (including my ex-cat, socially responsible investing, dance, feminist philosophy of science,…) at my domain www.toroidalsnark.net.

I also co-design with MadStuart as the design team sarah-marie belcastro and Madison Stuart under the name Knits with a Side of Math.

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original designs

Torus Knots and Links
Figuring Fibers
164 people call this a favorite 164 6 people made this 6
Chisaki hat
sarah-marie's knitting patterns
28 people call this a favorite 28 3 people made this 3
Revscarf
sarah-marie's knitting patterns
  • Revscarf
  • sarah-marie's knitting patterns
3 people call this a favorite 3 3 people made this 3
V’Ann’s Star Scarf
sarah-marie's knitting patterns
Y x I skinny scarves
sarah-marie's knitting patterns
30 people call this a favorite 30 3 people made this 3
Babyrain Hatbow
sarah-marie's knitting patterns
7 people call this a favorite 7 8 people made this 8
cabled torus
sarah-marie's knitting patterns
98 people call this a favorite 98 5 people made this 5
simple finger-free (and maybe thumb-ful) mitts
sarah-marie's knitting patterns
49 people call this a favorite 49 2 people made this 2
Knotclace
sarah-marie's knitting patterns
65 people call this a favorite 65 6 people made this 6
okra
sarah-marie's knitting patterns
  • okra
  • sarah-marie's knitting patterns
4 comments 4 251 people call this a favorite 251 11 people made this 11
Sock Hat
sarah-marie's knitting patterns
  • Sock Hat
  • sarah-marie's knitting patterns
34 people call this a favorite 34
Metacarpals
sarah-marie's knitting patterns
12 people call this a favorite 12 5 people made this 5
Least Common Scarf
sarah-marie's knitting patterns
36 people call this a favorite 36 1 people made this 1
Simple Socks with Streaks of Snugness
sarah-marie's knitting patterns
73 people call this a favorite 73 6 people made this 6
Striped Owl Hat for Daddy
sarah-marie's knitting patterns
3 comments 3 70 people call this a favorite 70 3 people made this 3
Striped Owl Mittens for Daddy
sarah-marie's knitting patterns
127 people call this a favorite 127 5 people made this 5
Y x I twist cowl
sarah-marie's knitting patterns
5 comments 5 269 people call this a favorite 269 13 people made this 13
Sublimation Socks (6 x 8)
sarah-marie's knitting patterns
1 comment 1 825 people call this a favorite 825 31 people made this 31
Grapefruit
sarah-marie's knitting patterns
130 people call this a favorite 130 7 people made this 7
Sublimation Socks (7 x 10)
sarah-marie's knitting patterns
252 people call this a favorite 252 6 people made this 6
Sublimation Socks (8 x 12)
sarah-marie's knitting patterns
1 comment 1 208 people call this a favorite 208 27 people made this 27
Tomsocks
sarah-marie's knitting patterns
  • Tomsocks
  • sarah-marie's knitting patterns
104 people call this a favorite 104 6 people made this 6
Owly Tertian
sarah-marie's knitting patterns
137 people call this a favorite 137 2 people made this 2
Helix Striped Spiral Bedsocks
Crafting by Concepts
32 people call this a favorite 32 2 people made this 2
Helix Striped Spiral Nightcap
Crafting by Concepts
1 comment 1 60 people call this a favorite 60 2 people made this 2
Possibly Stashbusting Handspun Stripehead
Crafting by Concepts
17 people call this a favorite 17 5 people made this 5
Wrap-Scarf-Stole-Shrug
sarah-marie's knitting patterns
69 people call this a favorite 69 1 people made this 1
sm's simple lacy shrug
sarah-marie's knitting patterns
295 people call this a favorite 295 7 people made this 7
Rachel's Cool Socks
sarah-marie's knitting patterns
1 comment 1 183 people call this a favorite 183 2 people made this 2
simple finger-free mitts
sarah-marie's knitting patterns
2 comments 2 546 people call this a favorite 546 29 people made this 29
edge-y K_7 on a torus
Homage to a Pied Puzzler
2 comments 2 55 people call this a favorite 55 1 people made this 1
Torus
Making Mathematics with Needlework
  • Torus
  • Making Mathematics with Needlework
2 comments 2 122 people call this a favorite 122 18 people made this 18
sarah-marie's knitted mobius band
sarah-marie's mathematical knitting pages
40 people call this a favorite 40 18 people made this 18
K_6-on-a-Mobius-band scarf
sarah-marie's mathematical knitting pages
35 people call this a favorite 35 2 people made this 2
Projective Plane
sarah-marie's mathematical knitting pages
1 comment 1 70 people call this a favorite 70 4 people made this 4
Pseudosphere
sarah-marie's mathematical knitting pages
1 comment 1 370 people call this a favorite 370 11 people made this 11
Klein bottle
sarah-marie's mathematical knitting pages
3 comments 3 218 people call this a favorite 218 15 people made this 15

designs from sarah-marie belcastro and Carolyn Yackel

hyperbolic pants
Making Mathematics with Needlework
3 comments 3 109 people call this a favorite 109 33 people made this 33
Seven-Colored Torus
Homage to a Pied Puzzler
7 people call this a favorite 7 1 people made this 1

designs from sarah-marie belcastro and Madison Stuart

Borromean Rings Cowl
Knits with a Side of Math
2 comments 2 241 people call this a favorite 241 36 people made this 36
Massively Modular Choose-Your-Own-Knitventure Socks
Knits with a Side of Math
88 people call this a favorite 88 4 people made this 4
Whiskers on Mittens (Warm Woolen Kittens)
Knits with a Side of Math
3 comments 3 412 people call this a favorite 412 7 people made this 7