Other Dissections

Author : Gavin Theobald

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{9/2}-{9/4} Enneagram — Enneagram
{10/3}-{10/4} Decagram — Decagram
{14/2}-{14/5} Tetradecagram — Tetradecagram
{14/4}-{14/6}  Tetradecagram — Tetradecagram


Enneagram {9/2} — Enneagram {9/4} (11 pieces)

Discovered by Greg Frederickson (1974).


Decagram {10/3} — Decagram {10/4} (11 pieces)

Discovered by Harry Lindgren (1964).

The dissection is translational.

Tetradecagram {14/2} — Tetradecagram {14/5} (14 pieces)

Discovered by Greg Frederickson (1972).

The dissection is translational.

Tetradecagram {14/4} — Tetradecagram {14/6} (15 pieces)

Discovered by Harry Lindgren (1964).

The dissection is translational.
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