Design a dreamy watercolor clipart of an Asian Window Box with a Bouquet of delphiniums, lilies, and asters in shades of blue, purple, and white arranged in a cascading and airy style composition, hand-painted with soft and graceful brushstrokes. Draw inspiration from the artistic finesse of Ethereal Petals Watercolors for a refined and ethereal depiction. isolated on a white background, hand-drawn illustration, hand-painted watercolor texture, 16k UHD resolution, intricately detailed, sharp foc