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https://www.theguardian.com/science/alexs-adventures-in-numberland/2016/oct/03/meet-the-mathekniticians-and-their-amazing-woolly-maths-creations>
"Married couple Pat Ashforth and Steve Plummer have been knitting and
crocheting mathematical images and objects for more than two decades"
Both educational and great fun! Via Kam-Yung Soh.
Share and enjoy,
*** Xanni ***
