irregular polygon square background - triangle low poly pattern - soft pastel color spectrum baby pink cute blue

abstract acute adorable art baby background banner blank blue color colored colour crystal cubism cute design diamond fantasy fraction fractional fragment geometric geometrical geometry gradient grid illustration infantile irregular low lowpoly mesh modern mosaic network origami pastel pattern pink poly polygon polygonal princess purple shape sharp soft spectrum square structure sweet tessellated tessellating tessellation triangle triangular unicorn vector violet wallpaper