# Freese's Dissection of Four Regular Dodecagons into a Square

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This Demonstration shows Freese's 16-piece dissection of four dodecagons into a square.

Contributed by: Izidor Hafner (May 2018)

Open content licensed under CC BY-NC-SA

## Snapshots

## Details

This dissection is shown on plate 129 [1].

Reference

[1] G. N. Frederickson, *Ernest Irving Freese's Geometric Transformations: The Man, the Manuscript, the Magnificent Dissections!*, New Jersey: World Scientific, 2018.