Freese's Dissection of Two Regular Dodecagons into Three Squares
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 two regular dodecagons into three squares.
Contributed by: Izidor Hafner (April 2018)
Open content licensed under CC BY-NC-SA
Snapshots
Details
The photo is taken from [1, p. 142].
Reference
[1] G. N. Frederickson, Ernest Irving Freese's Geometric Transformations: The Man, the Manuscript, the Magnificent Dissections!, New Jersey: World Scientific, 2018.