Processing Pi to 55,554 digits on a spiral
/*
Draws Pi on a spiral
spiral_text_003
based on code by -=Manoylov AC=- https://www.openprocessing.org/sketch/168364
Pi from http://www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html
Adaped for Redbubble by Rupert Russell 2 July 2018 Code avaiable on Github at https://github.com/rupertrussell/spiralText_004 Artwork available on Redbubble at: https://www.redbubble.com/people/rupertrussell/works/32496057-pi-spiral-55-554-digits */