Pi Day is March 14, and Urban Threads has released a mathematically marvelous FREE 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.

It’s available for download in two sizes in formats for machine embroidery, hand embroidery, and digital stock art, FREE through Sunday March 14. Emjoy!