Pied De Poule Programs by Loe Feijs

From this page, the following items are offered:

The programs are all written by Loe Feijs of TU/e in 2010-2012. They can be freely used or modified for artistic purposes and teaching purposes related to creative programming and creative mathematics. The programs are given without warranty. Neither the author nor TU/e will accept any claims related to any of these programs. The main purpose was to explore pied-de-pouple, see the article by Feijs in Bridges 2012. Some explanation follows.

Just two slightly different examples of pied-de-poules look like (PDP5, PDP6):