Variant of Freese's Nonagonal Double Ring Expansion
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This Demonstration shows a variant of Freese's nonagonal double ring expansion.
Contributed by: Izidor Hafner (May 2018)
Open content licensed under CC BY-NC-SA
Snapshots
Details
The photo is taken from [1, plate 101].
Reference
[1] G. N. Frederickson, Ernest Irving Freese's Geometric Transformations: The Man, the Manuscript, the Magnificent Dissections!, New Jersey: World Scientific, 2018.
Permanent Citation