“Tux has gone open source in a different way. The Free Penguin
Project provides free GPL sewing patterns and advice so that anyone
who meets the hardware requirements can create a fluffy stuffed
penguin of their own; specifically, would-be Tux tailors need
access to a sewing machine and fabric.“Joerg Feuerhake, the head of the project, calls the patterns
‘free executables.’ Late in 2000, while Feuerhake was working on a
degree in economics, he and his colleagues wondered why patterns
for Linux’s mascot were not freely available…”