A sculpture outside the Smithsonian Air and Space museum showing third turns in a cubic lattice
 Banana space packing |
 Bee on a flower ball |
 Spiral patterns on a cactus |
 Array of cinderblocks suggests space groups with screw rotations; the tubes show a hexgonal packing in one direction |
 Easton ellipse by Patricia Meyerowitz |
 Kenneth Snelson's Needle Tower |
 Needle Tower2. Note the suggestion of third turn screw rotations |
 An Olivier model at Union college |
 Power tower |
 Pyramid II by Herbert Simon in the sculpture garden at Lehigh |
 Art on a lawn at RPI |
 Stick ball |
 Tony Cragg's Subcommittee suggests hexagonal space packings groups with screw rotations |
 cha collection |
 cyc collection |
 frz collection |
 mlt collection |
 plr collection |
 rfl collection |
 spa collection |