Greg Egan on Nostr: Here’s a piece of a quasicrystal with icosahedral symmetry. I describe how to get ...Here’s a piece of a quasicrystal with icosahedral symmetry.I describe how to get this with the 3D version of the cut-and-project method here:https://www.gregegan.net/APPLETS/12/deBruijnNotes.html#HD