Coat of arms of the city of Rzeszów, executed in origami from a single square sheet of paper. The cross
visible in the center of the shield, known as Cross pattée, is often used in heraldry.
The cross can be used as a tessellation molecule, so a whole plane can be filled with repeating copies. It uses an 8×8 grid, and the whole shield
is made from a 16×16 grid.
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