irregular polygon background - triangle low poly pattern - vibrant neon orange pink puprle black color

acute art background banner black blank bright color colored colorful colour crystal cubism design diamond empty fraction fractional fragment geometric geometrical geometry gradient grid illustration irregular low lowpoly mesh modern mosaic multicolor multicolored neon network orange origami pattern pink poly polygon polygonal puprle rectangle shape sharp structure tessellated tessellating tessellation trend trendy triangle triangular varicolored variegated vector vibrant vivid wallpaper