1-4-1-4

Rotate the upper right cell of the tile 90 degrees clockwise; rotate the lower left cell of the tile 90 degrees clockwise; mirror the lower right cell of the tile. Shape 50 Shape 155 Shape 157 Shape 158

Mirror the lower left cell of the tile; mirror, then rotate the lower right cell of the tile 90 degrees counterclockwise. [download id="14830"] Shape 54 Shape 77 Shape 88

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…

Rotate the upper right cell of the tile 90 degrees clockwise; mirror the lower left cell of the tile; rotate the lower right cell of the tile 270 degrees clockwise. [download id="15929"] Shape 16 Shape 54 Shape 68 Shape 200