1-2-4-1M

Rotate the upper right cell of the tile 90 degrees clockwise; mirror, then rotate the lower right cell of the tile 270 degrees counterclockwise. [download id="15228"] Shape 20 Shape 54 Shape 55 Shape 138

Mirror, then rotate the lower left cell of the tile 90 degrees counterclockwise; rotate the lower right cell of the tile 180 degrees. Shape 4 Shape 5 Shape 10 Shape 90

The twenty-eight patterns you’ve just seen are Regular tessellations — symmetrical, orderly, each one a mirror of itself in some direction. They are, in their way, perfect. But perfection accounts for only twenty-eight of the five hundred and twelve possible patterns this system can generate. What about the other four hundred and eighty-four? They don’t…

Mirror, then rotate the lower left cell of the tile 180 degrees; mirror, then rotate the lower right cell of the tile 90 degrees counterclockwise. Shape 54 Shape 73 Shape 77 Shape 106

Rotate the upper right cell of the tile 90 degrees clockwise; mirror the lower right cell of the tile. [download id="15210"] Shape 6 Shape 19 Shape 20

Mirror, then rotate the lower left cell of the tile 270 degrees counterclockwise; mirror the lower right cell of the tile. [download id="15166"] Shape 15 Shape 54 Shape 97 Shape 105 Shape 122