Urban Threads has released a mathematically marvelous embroidery design to celebrate! �Pi Equals Delicious� will be yummy on creations for math teachers and number-crunching mad scientists of all stripes to celebrate this most circular of holidays.

Urban Threads has released a mathematically marvelous embroidery design to celebrate! �Pi Equals Delicious� will be yummy on creations for math teachers and number-crunching mad scientists of all stripes to celebrate this most circular of holidays.

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