© | Dror Bar-Natan's Image Gallery: Symmetry: Tilings:

The *442 Group

Walnut street building
A building on Walnut street, Berkeley March 2000.
MSRI bathroom tiles
Bathroom tiles at MSRI, March 2000.
Queen of the red hearts
The queen of the red hearts, July 2000.
A climbing net
A climbing net at the Jerusalem Zoo playground and Itai, September 2000.
Walnut street building
Eowyn Rieke's shirt as seen by Dylan, Cambridge October 2000.

A 45-45-90 triangle

The quotient orbifold for the group *442 is a disk with two order 4 corners and an order 2 corner on its (reflecting) boundary - that is, it is a 45-45-90 triangle made of a transparent material.