![]() A sports field fence at UC Berkeley, June 2000. |
![]() The anteater's cage at the San Francisco Zoo, July 2000. |
![]() Tire threads and a lemur, at the Jerusalem Zoo, September 2000. |
![]() A bed cover and Annie, November 2000. |
![]() Road tiles at Bethlehem PA, June 2000. |
![]() The brake pedal on a Toyota Corolla, July 2000. |
![]() The fence around the Berkeley Adventure Playground, August 2000. |
![]() A pattern on a Sarah Reznikoff shirt, Berkeley August 2000. |
![]() Embossed pattern on a Hogla-Kimberly brand toilet paper, October 2000. |
![]() A pothole cover in Siegen, Germany, January 2001. |
The quotient orbifold for the group 2222 is a sphere with four order 2 corners - that is, a square pillow (or rectangular, or parallelogram-shaped)