Triangular Enneiamond Compatibility

Introduction

The triangular enneiamond is a polyomino made of nine triangles joined to form a bigger triangle.

The compatibility problem is to find a figure that can be tiled with each of a set of polyforms. Here I show minimal known compatibility figures for the triangular enneiamond with other polyiamonds. If you find a smaller solution or solve an unsolved case, please let me know.

Diamond

Triamond

Tetriamonds

Pentiamonds

Impossible

Holeless Variant

Hexiamonds

Unsolved

Impossible

Heptiamonds

Octiamonds

Last revised 2014-04-30.


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Col. George Sicherman [ HOME | MAIL ]