File:Amman-Heesch-4.svg

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Description
English: A polygon discovered by Robert Amman, formed from a regular hexagon by adding projections on two of its sides and matching indentations on three sides. It may be surrounded by four layers of congruent copies of itself, but not five. See Heesch's problem.
Date
Source self-made, originally for The Geometry Junkyard; also previously uploaded to en:Image:Amman-Heesch-4.gif
Author David Eppstein

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Public domain This work has been released into the public domain by its author, I, David Eppstein. This applies worldwide.
In some countries this may not be legally possible; if so:
I, David Eppstein grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

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Date/TimeThumbnailDimensionsUserComment
current05:13, 30 July 2007Thumbnail for version as of 05:13, 30 July 2007380 × 419 (23 KB)David Eppstein (talk | contribs){{Information |Description=A polygon discovered by Robert Amman, formed from a regular hexagon by adding projections on two of its sides and matching indentations on three sides. It may be surrounded by four layers of congruent copies of itself, but not f

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