Tractrix Contoured Spikes on a Truncated Icosahedron
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Pentagonal and hexagonal spikes with a tractrix contour are placed on a truncated icosahedron. Use the sliders to vary the parameters of the spikes: number of levels, height, limit and diameter.
Contributed by: Sándor Kabai (December 2019)
Open content licensed under CC BY-NC-SA
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