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Flickr user danacakes made this pi scarf (the number of black rows represents the number) with 101 digits, “by a math teacher for a math teacher.” – Link.


Scarf roundup on MAKE – Link.

Becky Stern

Becky Stern is head of wearable electronics at Adafruit Industries. Her personal site:



  1. piper caldwell says:

    This makes me extremely happy. I made a scarf based on the 0-1 Fibonacci sequence (the photo isn’t great–fail) & one based on Cantor’s ternary sets (no pictures of that one yet).
    Math wins!

  2. Margie Watkins says:

    How very cool. And warm.