 A fence on Arch Street, Berkeley, March 2000. |
 A garage door on Spruce Street, Berkeley, April 2000. |
 A car's front grill, Berkeley, April 2000. |
 My sister in law's shirt, Jerusalem October 2000. |
|
A fence on Arch Street, Berkeley, March 2000. |
A garage door on Spruce Street, Berkeley, April 2000. |
A car's front grill, Berkeley, April 2000. |
My sister in law's shirt, Jerusalem October 2000. |
The quotient orbifold for the group *2222 is a disk with four order 2 corners on its (reflecting) boundary - that is, it is a rectangle made of a transparent material.