Nano Banana 3 Is Here: 20 Prompt Templates + 13 Scenarios (Complete Guide)
nanobanana promptnanobanana tutorialnanobanana entrynanobanana3
With Nano Banana 3 (nanobanana3), the goal isn’t just “it can generate”—it’s “it can generate what you need, consistently”. This post is a hands-on nanobanana tutorial: 20 copy‑paste nanobanana prompt templates + 13 high-frequency scenarios, plus the quickest nanobanana entry at the end.
1) The universal prompt skeleton
Turn any request into these 8 fields:
subject + scene + style + lighting + camera/composition + palette + aspect ratio + quality.
Template:
[subject], in [scene], style [realistic/illustration/3D/poster], lighting [soft/rim/studio], camera [50mm/top-down/close-up], palette [warm/cool/black&gold], ratio [1:1/16:9/9:16], 4K, high detail, clean edges
2) 20 reusable prompt templates
E-commerce studio shots (1:1)
- Minimal premium hero image, clean white background, soft studio light, subtle shadow, 1:1, 4K
- Black & gold luxury gift style, rim light, metallic highlights, 1:1, 4K
- Glass material close-up, realistic refraction and specular highlights, macro, 1:1, 4K
- Lifestyle context scene, natural light, cozy mood, 16:9, 4K
Poster covers (9:16 / 16:9)
- Bold poster with whitespace, high contrast blocks, short headline, 9:16
- Cinematic cover, side rim light, light haze, high contrast, 9:16, 4K
- Tech KV, gradient background with particles, futuristic composition, 16:9
- Vintage film, grain, low saturation, light leak, 3:2
Portrait & identity (1:1 / 4:5)
- Clean professional headshot, solid background, soft light, 1:1
- City street portrait, shallow depth of field, 4:5
- Character design sheet, front + side view, white background
- Consistent set: same character, same outfit and hairstyle, output headshot/half/full
Image-to-image edits (keep structure)
- Keep the subject unchanged, replace background with rainy street; match lighting direction; do not change clothing/face
- Keep layout and text positions; upgrade to minimal premium style; increase contrast and depth
- Enhance sharpness and detail without changing structure; clean edges
Teaching visuals (16:9)
- Visualize [concept] as [analogy], label 3 key points, flat illustration, white background, 16:9
- 3-step process diagram (1-2-3), clean icons, white background, 16:9
- Hierarchy/relationship diagram, clear information layers, generous whitespace, 16:9
Fun but practical ideas
- Personify a product as a character while keeping key product features
- Contrast mashup: [subject] in [unexpected scene], but keep a unified style and coherent lighting
3) 13 scenarios you can apply today
| Scenario | Deliverable | What to emphasize |
|---|---|---|
| E-commerce hero | main image / white background | materials + studio light |
| Lifestyle image | context scene | mood + natural light |
| Brand KV | campaign key visual | composition + whitespace |
| Short-video cover | 9:16 cover | short text + safe area |
| Article graphics | in-paragraph images | consistent style |
| Slides | diagrams | white bg + high contrast |
| Teaching materials | flashcards | neat layout |
| Marketing posters | promo / notices | hierarchy + contrast |
| Product explainers | structure breakdown | labels (3–5) |
| Headshots | avatar | soft light + clean bg |
| Character sheets | design set | invariants |
| Moodboards | concept boards | style direction |
| Viral fun | memes / contrast | strong theme |
4) A stable workflow (recommended)
- Fix aspect ratio
- Fix style direction
- Generate 4 drafts to pick a direction
- Lock invariants (identity/product, lighting direction, camera)
- Iterate one variable per round
NanoBanana entry
https://app.nanobanana3.top/generate/image-tools/nano