Tessellation of the letter F in symmetry group p2. There are various adjustments which can be made to fit the F into a rectangular cell. This one has a size of 3 squares by 4½ and fits in a square with a minimum map colouring of 3 colours - which triples the cell in both directions and destroys the underlying symmetry. Currently displaying a version in red, yellow and blue with white outlines. Other colours, sizes and orientations are available on request and you can even ask for a combination of several designs together.