Freese's Dissection of Three Squares into Four Regular Dodecagons
Initializing live version

Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
This Demonstration shows Freese's dissection of three squares into four congruent regular dodecagons.
Contributed by: Izidor Hafner (May 2018)
Open content licensed under CC BY-NC-SA
Snapshots
Details
The photo is from [1, plate 131].
Reference
[1] G. N. Frederickson, Ernest Irving Freese's Geometric Transformations: The Man, the Manuscript, the Magnificent Dissections!, New Jersey: World Scientific, 2018.