画像生成AIとして人気のDall-E3（ダリスリー）はプロンプトを工夫すれば誰でも簡単にハイクオリティなイラストが生成できるのでとても人気があります。
Dall-E3で素敵なイラストを生成するには、細かなディテールを記載したプロンプトが必要です。プロンプトは日本語でもOKですが、要望をより正確にDall-E3に伝えるためには英語で書くことが望ましいとされています。
人気のDall-E3を使い、大判で印刷して壁に飾りたくなるようなアートポスターっぽい作品を描いてみました。英語のプロンプトとともに紹介していきます。
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美しく幻想的な情景のアート
夕暮れ時の絵のように美しい地中海沿岸の町を印象派のようなタッチで半現実的に描いたもの。
プロンプト
A picturesque Mediterranean coastal town at dusk, built on a small island with charming white-walled houses and warm glowing lights. The architecture is a mix of traditional European seaside buildings with rustic wooden shutters, balconies adorned with lush green plants, and a clock tower standing at the highest point. The town is surrounded by calm water reflecting the lights from the buildings and fireworks in the sky. People are enjoying a festive evening, dining in cozy outdoor restaurants, strolling along the waterfront, and rowing small wooden boats. The sky is illuminated with vibrant fireworks of various colors, adding a celebratory and dreamy atmosphere. The entire scene is painted in a warm pastel color palette, with soft pinks, purples, and blues blending harmoniously. The art style is semi-realistic with a touch of impressionism, emphasizing light, reflection, and a nostalgic, magical ambiance.Aspect=16:9.
アメリカンでポップな感じのアート
鮮やかで非常に詳細なポップアート風の街路のイラスト。マイアミをイメージして。
プロンプト
A vibrant, highly detailed pop-art style illustration of a tropical city street, possibly in Miami, featuring a classic red Porsche 356 convertible parked in the foreground. The car has a sleek, Metallic,glossy finish reflecting the sunlight. Behind it, a green vintage convertible is parked. The background showcases an Art Deco-style building with pink, yellow, and green tones, large windows, and an awning extending over an outdoor café with people sitting under red and white umbrellas. Tall palm trees line the street, their trunks and fronds casting shadows. The sky is a deep blue, filled with colorful confetti-like dots, adding a festive and playful atmosphere. The overall composition includes sharp details, bold outlines, and a retro aesthetic reminiscent of 1980s Miami..A large number of red, blue and yellow ribbons and small round and square particles are floating in the air. Aspect=16:9.
クラシカルでヴィンテージ感が漂うアート
活気に満ちたパリの街並みを、20世紀中盤のレトロなスタイルで描いた、活気に満ちた風変わりなイラスト。
プロンプト
A vibrant and whimsical illustration of a bustling Parisian street scene in a retro, mid-20th-century style. The image features a lively outdoor café with red-and-white umbrellas, where numerous people are enjoying food, drinks, and conversation. Classic vintage cars from the early 20th century, including a green convertible and a red luxury car, are driving along the cobblestone street. A horse-drawn carriage adds to the nostalgic charm. Above the city, a large blimp with ‘Perrier’ branding floats, releasing bubbles into the sky. The background showcases colorful Parisian buildings adorned with vintage advertisements, including signs for ‘Gitanes’ and ‘Tropicana,’ with the Arc de Triomphe visible in the distance. The scene is full of energy, with animated characters running, cycling, and engaging in everyday activities. The color palette is dominated by bright blues, yellows, and reds, creating a cheerful and dynamic atmosphere. Desaturated ＆ Grunge Effect. Aspect＝16:9.
終末っぽい雰囲気の都市風景
廃墟となった産業構造物、錆びた工場、生い茂った植物で作られた、終末後のシュールな都市景観。
プロンプト
A surreal post-apocalyptic cityscape built from abandoned industrial structures, rusted factories, and overgrown vegetation. The architecture is a fusion of decayed machinery, crumbling buildings, and massive satellite dishes. A giant Ferris wheel, partially covered in vines, stands in the background, glowing faintly. Smoke and mist swirl around towering chimneys and steel frameworks. The sky is a mix of deep purple and pink hues, giving an eerie yet beautiful atmosphere. Birds circle the ruins, and small figures explore the remains of civilization. The entire scene is a blend of industrial dystopia and nature reclaiming the land.１６：９．
近未来風の工場夜景
星、星雲、流れ星で満たされた宇宙の空を背景に、夜にライトアップされた未来的な工業用精油所。
プロンプト
A futuristic industrial refinery illuminated at night, set against a cosmic sky filled with stars, nebulae, and shooting comets. The towering metal chimneys emit steam and Colorful light, creating an ethereal atmosphere. A sleek, modern train with glowing windows arrives at a mist-covered station labeled ‘DREAM STATION.’ The landscape is covered in a soft, otherworldly fog with hints of pink and purple hues. A lone traffic signal with a glowing green light stands in the foreground, adding a cinematic and mysterious touch. The entire scene is a blend of cyberpunk aesthetics and sci-fi dreamscape, evoking a sense of awe and wonder.１６：９．
ヨーロッパの村の風景
温かな日差しが差し込む魅力的なヨーロッパの村の通り。素朴な石造りの家々が色とりどりの花やツタで飾られている。
プロンプト
A charming European village street bathed in warm sunlight, with rustic stone houses adorned with colorful flowers and ivy. The cobblestone pathway winds gently under a picturesque stone archway, leading to a bright courtyard. Open wooden shutters reveal cozy interiors, while a vintage lantern hangs on a wall. A mother and child stroll along the path, adding a sense of warmth and nostalgia. The scene is filled with lush greenery, vibrant potted plants, and blooming flowers in shades of pink, blue, and yellow. The atmosphere is peaceful, evoking the beauty of a Mediterranean countryside town.16：9.
スカイツリーが見える通り
雨の降る”NEO東京”の街通り。モノクロ。
プロンプト
A black and white photograph-style image of a rainy ”Neo Tokyo” street, leading towards the Tokyo SkyTree in the background. The cobblestone road is wet and reflects the soft light of the overcast sky. The surrounding buildings have classic Parisian architecture with shuttered windows and ornate street lamps. In the foreground, a young little girl stands alone with her back to the viewer in a bright red raincoat, her color standing out against the otherwise monochromatic scene.Light rain is falling, adding a misty and nostalgic atmosphere. The composition evokes a sense of romance, solitude, and timeless elegance.16:9.
海岸線を走る電車の踏切
海岸通りにある「江ノ電の踏切」っぽい風景を描いた水彩画。
プロンプト
A watercolor-style illustration of a scenic coastal railway crossing in Kamakura, Japan, featuring the iconic Enoden train passing by. The train is green and yellow, with vintage charm, traveling along tracks near the ocean. The backdrop showcases a bright blue sky with fluffy clouds, and the distant view of Enoshima Island with its lighthouse. In the foreground, two surfers in summer attire, one carrying a pink surfboard, wait near the railway crossing. A car is parked by the road, and traffic lights, power lines, and utility poles frame the composition. The atmosphere is warm, peaceful, and nostalgic, capturing the essence of a summer day in a seaside town. The aspect ratio is 16:9.
アニメ風のイラストアート
アニメ風イラスト。人物についてはコンテンツポリシーが厳しいため、”16歳の少女”とか条件付けをするとあっさり拒否されるので注意が必要です。
プロンプト
A beautifully illustrated anime-style scene of a vibrant fantasy town with European-inspired architecture, featuring half-timbered houses, colorful rooftops, and intricate details. A young adventurer（Lady） with short silver hair and a steampunk-inspired outfit leans on a balcony, gazing excitedly over the city. A grand windmill with wooden blades stands prominently in the skyline, while the sea stretches out in the distance under a bright blue sky with fluffy clouds. A massive aqueduct runs through the town, connecting different districts. Sunlight casts warm, golden tones, creating a lively yet nostalgic atmosphere. The image is drawn in a detailed, painterly anime style with soft shading and dynamic lighting. The aspect ratio is 16:9, capturing the vastness and depth of the townscape.
プロンプト
A breathtaking, light watercolor-style illustration of a grand, fantastical library. Towering bookcases reach up to an ornate, domed ceiling. The architecture is exquisite, featuring stained-glass windows that cast colorful light patterns, elaborate wooden banisters, and hanging lanterns that give off a warm, golden glow. In the center, a girl with long braided hair and a red beret stands looking up and to the right, holding an ornate antique candlestick and gazing blankly at the vast collection of books with wide, curious eyes. Her outfit combines fantasy and steampunk elements, and she wears a hooded cape and a small school bag. The atmosphere is magical and mystical, evoking the feeling of an ancient repository filled with hidden knowledge. The perspective is dramatic, emphasizing the towering scale of the library, with a detailed, painterly anime aesthetic. The aspect ratio is 16:9 for a cinematic composition.
ビビッドカラーのポートレイト作品
高精細なアニメーション風のポートレイト作品。
プロンプト
A highly detailed anime-style portrait of a young woman with deep, expressive eyes and long black hair, set against a lush, floral background filled with vibrant peonies and intricate botanical patterns. She wears an ornate embroidered jacket in rich red and black hues, adorned with elaborate floral and dragon motifs, blending traditional Asian influences with modern artistic aesthetics. Her gaze is melancholic yet captivating, with subtle blush marks on her cheeks. The background is composed of intricate, hand-drawn flowers in shades of pink, blue, and gold, creating a mesmerizing, high-contrast composition. The image has a stylized, painterly feel with bold lines and dynamic color palettes. The aspect ratio is 16:9 for a cinematic and immersive effect.
ヴィンテージカーのモノクロ写真
1950年代のクラシカルなヴィンテージカーをモノクロでダイナミックに撮影したもの。
プロンプト
A close-up, high-detail black and white photograph of the front end of a classic vintage car from the 1950s. The image highlights the gleaming chrome details, large dual round headlights, and the elegantly curved front bumper with bold, reflective surfaces. The car’s iconic grille, smooth contours, and intricate metalwork are captured with dramatic lighting and sharp contrasts, emphasizing the craftsmanship and retro aesthetic. The background is blurred to keep the focus on the vehicle’s design. The mood is nostalgic and timeless, evoking the golden age of classic automobiles. The aspect ratio is 16:9 for a cinematic, wide-angle composition.
モンスター・パニック映画
パニック映画のような没入感あふれる構図。
プロンプト
The image is unedited and unprocessed, and was shot with a Canon EOS R5. A huge lion and gorilla are seen destroying buildings on their way. The lion shows off his sharp fangs, threatening the people around, while the gorilla punches the building with great force. The lion and gorilla are surrounded by skyscrapers and buildings, and people can be seen calling for help from windows. The sky is overcast, creating a dramatic atmosphere. The scene blends wild nature and urban environments in a surreal yet realistic way, creating a striking contrast between the animals and the man-made environment. The aspect ratio is 16:9, creating an immersive panic movie-like composition.
幾何学アート
フィボナッチ数列を取り入れた幾何学模様のモザイクアート。
プロンプト
A highly detailed, abstract geometric artwork featuring a large golden spiral inspired by the Fibonacci sequence at the center. The spiral is composed of metallic, reflective segments in shades of gold, bronze, and copper. Surrounding the spiral are intricate grids, spheres, lines, and textures arranged in perfect geometric harmony. The background features various metallic panels with embossed patterns, diagonal lines, and small cubes, all designed with an industrial yet elegant aesthetic. The entire artwork glows with warm light reflections, creating a luxurious and sophisticated atmosphere. The composition blends mathematical precision with artistic beauty. The aspect ratio is 16:9 for a wide, immersive presentation.
ドラマチックな風景
鮮やかなドラマチックな夕焼けのビーチのシーン。
プロンプト
A stunning sunset beach scene with vivid, dramatic colors in the sky — deep oranges, reds, and purples blending into soft clouds. In the background, the iconic silhouette of Mount Fuji rises majestically, partially covered in mist. The calm waves of the ocean reflect the fiery colors of the sky, creating a beautiful mirrored effect on the water’s surface. In the foreground, a surfer holding a surfboard walks along the shoreline, captured in silhouette against the glowing sunset. The scene is peaceful yet dynamic, with distant surfers visible in the water and soft waves rolling in. The composition evokes serenity and awe in nature’s beauty. The aspect ratio is 16:9 for a cinematic, wide-angle view.unedited, no post-processing.
まとめ
AIが生成したアートポスターはインテリアとしても十分通用するレベル。思い通りの絵を描いてもらうのは難しいですが、プロンプトを参考にして条件を変えていけば、好みの作品に仕上がるのではないかと思います。
AIプロンプトを工夫して自分だけの名作を生み出せたときは、やっぱりうれしいですね。