Comparative Guts

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Kotsanas‘ hölzerne Reproduktion des Stomachion, eine moderne Reproduktion von Archimedes‘ Stomachion — Das Spiel besteht aus einer quadratischen Platte aus hellem Holz und 14 Holzteilen. Dabei handelt es sich um geometrische Formen, meist Dreiecke. Die flachen Holzteile sind auf der Platte so aneinandergelegt, dass sie ein Quadrat bilden. Je sieben Formen sind wie bei einem Puzzle so zusammengefügt, dass sie zwei waagrechte Rechtecke ergeben. Gleichzeitig ergeben jeweils sieben Formen zwei gleichschenklige Dreiecke, deren lange Seiten eine Diagonale von links unten nach rechts oben in dem Quadrat bilden. Die 14 Holzteile umfassen 11 Dreiecke, 2 Vierecke und ein Fünfeck. Die Dreiecke haben verschiedene Formen, bis auf zwei, die gleich in Form und Fläche sind. Die Vierecke und das Fünfeck haben unterschiedlich lange Seiten. Ein Viereck erinnert an die Form eines Papierdrachens, das Fünfeck an die Giebelseite eines Hauses. Alle Teile bestehen aus gemasertem hellem Holz. Gelegentlich reicht die Maserung in angrenzende Bereiche der geometrischen Formen hinein. —— Kotsanas' wooden reproduction of the Stomachion, a modern reproduction of Archimedes' Stomachion — The game consists of a square board made of light-coloured wood and 14 wooden pieces. These pieces are geometric shapes, mostly triangles. The flat wooden pieces are placed together on the board so that they form a square. Seven shapes are placed together, like in a puzzle, so that they form two horizontal rectangles. At the same time, seven shapes each make two isosceles triangles. The long sides of these triangles form a diagonal line from the bottom left to the top right of the square. The 14 wooden pieces comprise of 11 triangles, 2 squares and a pentagon. The triangles have different shapes, except for two that are the same in shape and area. The quadrilaterals and the pentagon have sides of different lengths. One square is reminiscent of the shape of a paper kite. The pentagon is reminiscent of the gable end of a house. All parts are made of light-coloured wood with a grained texture. Occasionally, the grain extends into adjacent areas of the geometric shapes.

Kotsanas’ wooden reproduction of the stomachion

A modern reproduction of Archimedes’ stomachion

Copyright: Collection and Archive of Kotsanas Museum of Ancient Greek Technology (www.kotsanas.com)

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The image shows a reproduction of the stomachion game located in the K. Kotsanas Museum of Ancient Greek Technology in Heraklion, Crete. This wooden artefact consists of a square geometric structure divided into fourteen triangular and polygonal tesserae with different sized angles. Engineer Kostas Kotsanas made the faithful reproduction based on information contained in the Arabic manuscript edited by H. Suter which handed down part of Archimedes’ treatise called stomachion.

From another manuscript, in which the incipit and a minimal initial part of the treatise in Greek are preserved, it can be deduced that one of the aims of the game was to reassemble the initial square through rotations and rearrangements of the individual tesserae, which could be removed from their original position.
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