Thingiverse

Pi Keyring (math toy)

by somethingc

146 Downloads

118 Likes

2 Makes

Pi Keyring (math toy)

3.14 :)

This is a remix for the da vinci jr.

https://www.etsy.com/uk/listing/384917444/pi-keyring-fun-with-math

Source

Thingiverse

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