I'm going to comment on this rosette as if it is in black and white so I am NOT including color into its symmetry. This rosette has 90 degree symmetry because of the 4 points in the very center of the rosette which restrict its overall rotational symmetry. It has vertical, horizontal, as well as diagonal reflection through the white center. In other words, this rosette would have D12 symmetry.
I'm going to comment on this rosette as if it is in black and white so I am NOT including color into its symmetry. This rosette has 90 degree symmetry because of the 4 points in the very center of the rosette which restrict its overall rotational symmetry. It has vertical, horizontal, as well as diagonal reflection through the white center. In other words, this rosette would have D12 symmetry.
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