Polyominoes
A dissection puzzle
T. Sillke asks for dissections of two heptominoes into squares.
A Pentominoes Project from Belgium
Secondary School project about pentominoes and fun with math. History, descriptions, and problems. Bi-monthly pentomino competition. A solver is available. [English, French, Dutch…
A Puzzle by Enrich Friedman
Every square can be dissected into L-ominoes. Can every Pythagorean square? Conjecture needs proof.
Arnab's Pentominos Puzzle
Fast Pentominos puzzle solver, works on DOS/Windows platform. Free downloads.
Blocking polyominos
Rodolfo Kurchan asks, for each k, what is the smallest polyomino such that k copies can form a blocked pattern. With solutions.
Canonical polygons
Ronald Kyrmse investigates grid polygons in which all side lengths are one or sqrt(2).
Christopher Monckton's Eternity Puzzle
Rules, the solution by Alex Selby and Oliver Riordan, other resources and links. The puzzle is made up of 209 pieces of polydrafters, each one is a combination of 12-30/60/90 tria…
Counting Horizontally Convex Polyominoes
Journal of Integer Sequences, Vol. 2 (1999), Article 99.1.8. Defines and counts horizontal convexity.
Cynthia Lanius' Lesson: Polyominoes Introduction
From tetris to hexominoes, Cynthia explains them in color.
Dancing links
Don Knuth discusses implementation details of polyomino search algorithms.
Eithan's Pentominoes-3D Applet Solver
Solves given Pentominoes 3D puzzles. Solution is displayed in 3-D with disassembly and rotations. General information and data. [requires Java]
Equilateral pentagons
Jorge Luis Mireles Jasso investigates these polygons and dissects various polyominos into them. Animations show cases of infinite solutions.
Eternity Page
Alex Selby's page with a description of his solution method, with illustrations in .png and .pdf files.
Gamepuzzles
Polyomino and polyform games and puzzles manufactured by Kadon Enterprises Inc.
George Huttlin's Puzzle Page
George Huttlin shares some ramblings in the world of polyominoes.
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