A chandelier
 Washington DC war memorial inner dome suggests pmm enhanced dihedral symmetry |
 "Delaware beach crop circles", by Angela of Washington DC (Labyrinth visited by brother Joshua) |
 Cyclic patterns and a hyperbolic J disc |
 Pink lily |
 Bucknell science center dome |
 Spider web on a beaver dam |
 Sweet symmetry 1 |
 Sweet symmetry 2 |
 Vent in auditorium at Bucknell |
 Waterlily |
 Wheel 1 |
 Wheel 2 |
 Wheel 3 |
 Wheel 4 |
 cha collection |
 cyc collection |
 frz collection |
 mlt collection |
 plr collection |
 rfl collection |
 spa collection |