abstract irregular polygon background with a triangle pattern in full color spectrum rainbow with light reflection in the m

abstract acute art background banner brilliance brilliancy color colored colorful colour crystal cubism full gem gemstone geometric geometrical geometry glare glow glowing gradient grid irregular jewel jewelry light low lowpoly mesh modern mosaic multi network origami pattern poly polygon polygonal rainbow rectangle reflection scale shape sharp shine shinning sparkle spectral spectrum tessellated tessellating tessellation triangle triangular varicolored variegated vibrant wallpaper