There's a Mexican sculptor (Sebastian [0]) that has made massive flexagons (or something similar, cube-based) out of sheet metal. At some point he sold books an

There's a Mexican sculptor (Sebastian [0]) that has made massive flexagons (or something similar, cube-based) out of sheet metal. At some point he sold books and kits for making them out of cardboard, I had one or two, super cool stuff [0] https://galeriamonicasaucedo.com/artista/sebastian/66e23dbdc7ef51.97038081 https://galeriamonicasaucedo.com/artista/sebastian/66e23dbdc...