irregular polygonal background - triangle low poly pattern - sky blue, ivory white, gray, mauve and taupe color

acute and art background banner blank blue color colored colour crystal cubism design diamond empty fraction fractional fragment geometric geometrical geometry gradient gray grid horizontal illustration irregular ivory landscape low lowpoly mauve mesh modern mosaic network origami pattern poly polygon polygonal rectangle scenery shape sharp sky structure taupe tessellated tessellating tessellation trend trendy triangle triangular vector wallpaper white winter