Spirals of Kite-Shaped Blocks
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Kite-shaped blocks are arranged in spirals that can slide along their side surfaces, thus reducing the central space. Such an operation could be exploited in a chuck to fix a central shaft. When the kites are extended vertically, the assembly can be interpreted as a rigid tower.
Contributed by: Sándor Kabai (January 2020)
Open content licensed under CC BY-NC-SA
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