From this journal on Jan. 26, 2009 —
See also "Strip Mathematics," by Zoltan Dienes —
This illustration may have first appeared in Dienes's
"Mathematical fun without numbers, letters,
formulae or equations, Part I,"
The New Zealand Mathematics Magazine,
Vol 39, no.1. (May 2002)*
Material related to New Zealand —
See January 29, 2003 in this journal.
Material related to mathematics (without "fun") —
The Representation of Minus One.
General context —
Bester's The Deceivers in this journal.
* Update of 5:48 PM ET Feb. 8, 2014 — From that publication —
"Nowhere will I give away how I stole these patterns
from the mathematician's secret closet." — Zoltan Dienes