randomly arranged regular twelve-sided concentric dodecagons ideal as a cheerful and colorful background for creative s

dodecagon 12 dodecahedron polyhedron regular twelve geometry shape geometric polygon concentric repetition multicolor multicolored colorful color colors many variegated polychromatic multi colored backgrounds texture background backdrop backdrops pattern textur random randomness entropy stochasticity randomly red blue green yellow purple cyan orange magenta pink brown bidimensional 2d dodecagons twelvesided shapes vibrant layers abstract design symmetry playful bright bold energy patterns cheerful