minimalistic postcard mockup with hand-drawn tree and heart-d canopy

minimalistic postcard mockup handdrawn tree heartshaped canopy blank space personalized message simple design nature white ecofriendly artistic elegant love greeting card stationery thoughtful creative natural ecoconscious clean modern beautiful sketch organic charming decorative paper goods handmade sentimental minimalist art unique romantic drawing heart customizable natureinspired aesthetic heartfelt foliage ai generated