
Clockwise from top left: Metastable Al-Mn icosahedral quasicrystal prepared by melt quenching (An Pang Tsai); a 5-cube pattern using 5D orthographic projection to 2D using Petrie polygon basis vectors overlaid on the diffractogram from an icosahedral Ho-Mg-Zn quasicrystal (http://en.wikipedia.org/wiki/File:Ho-Mg-Zn_E8-5Cube.jpg); theoretical images of quasiperiodic tilings with 8-fold symmetry (Ron Lifshitz); transmission Laue along 5-fold axis icosahedral quasicrystal (An Pang Tsai).