Dodecagram {12/3} Dissections

Author : Gavin Theobald

{3} Triangle
{4} Square
{5} Pentagon
{6} Hexagon
{7} Heptagon
{8} Octagon
{10} Decagon
{12} Dodecagon
{5/2} Pentagram
{6/2} Hexagram
{8/2} Octagram
{8/3} Octagram
{12/2}  Dodecagram
{R√2} Silver Rectangle
{Rϕ} Golden Rectangle
{R2} Domino
{G} Greek Cross
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
10 8 12 10 13 12 14 12


5/2 6/2 7/2 7/3 8/2 8/3 9/2 9/3 9/4 10/2 10/3 10/4 12/2 12/3 12/4 12/5
15 11 13 14 14 1

Triangle — Dodecagram (10 pieces)

This is a PP dissection.

Square — Dodecagram (8 pieces)

This dissection uses the method of overlaid tessellations.

Pentagon — Dodecagram (12 pieces)

Hexagon — Dodecagram (10 pieces)

Heptagon — Dodecagram (13 pieces)

Octagon — Dodecagram {12/3} (12 pieces)

Decagon — Dodecagram {12/3} (14 pieces)

The two overlays show the strips before and after the modification of the decagon strip that saves a piece.

Dodecagon — Dodecagram (12 pieces)

Pentagram — Dodecagram (15 pieces)

This is a PP dissection.

Hexagram — Dodecagram (11 pieces)

This is a PP dissection.

Octagram {8/2} — Dodecagram (13 pieces)

Octagram {8/3} — Dodecagram (14 pieces)

This is a PP dissection.

Dodecagram {12/2} — Dodecagram {12/3} (14 pieces)

Silver Rectangle — Dodecagram (9 pieces)

This is a PP dissection.

Golden Rectangle — Dodecagram (9 pieces)

This is a PP dissection.

Domino — Dodecagram (8 pieces)

Greek Cross — Dodecagram (10 pieces)