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Chibi-style 3D selfie dioramas are the “mini-you in a tiny world” version of the Nano Banana trend, where your normal face is shrunk into a big‑headed, toy‑like character and dropped into a glowing cube scene that looks like a collectible desk lamp or display box.
Instead of just slapping a cartoon filter on your selfie, the keyword “6 Ultimate Google Gemini Nano Banana Prompts to Create Cute Chibi-Style 3D Selfie Dioramas Portraits” points to a very specific formula: keep your real identity, rebuild you as a cute chibi figurine, then place that figurine inside a detailed, isometric 3D cube with internal lighting, props that reflect your hobbies, and small imperfections (dust, tiny scratches) so the whole scene feels like a real physical object photographed in a studio.
These prompts ride the same viral wave as Gemini’s Nano Banana 3D figurine edits, but push it further into diorama storytelling, turning your bedroom, gaming desk, café corner, or fantasy world into a miniature stage where your chibi self is the main character.
What these prompts actually do
- Convert a single selfie into a big‑head, small‑body chibi character while preserving your recognisable facial features and expression.
- Wrap that character in an isometric cube diorama: tiny room, mini furniture, props, and controlled lighting that resemble a toy display or “diorama lamp”.
- Let you theme each scene (room, forest, café, gaming setup, sci‑fi lab, etc.) so one person can generate a full series of 3D chibi portraits for social posts, avatars, or festive greetings.
Simple steps: create chibi 3D selfie dioramas in Gemini (Nano Banana)
Open Gemini & choose the image model
- Open the Gemini app or Gemini/AI Studio in your browser.
- Select the image tool / Image Editing and pick the Nano Banana or Nano Banana Pro / Gemini 2.5 Flash Image model.
Upload your selfie
- Use a clear, front‑facing selfie with good light and your full head visible; avoid heavy filters or dark shadows.
- Make sure only you are in the frame for best chibi character detection on the first try.
Paste a chibi cube-diorama prompt
- In the prompt box, type something like:
- “Create an isometric 3D cube diorama of the person in the photo as a cute chibi figurine, big head, small body, matte PVC toy material, standing inside a tiny pastel bedroom with mini furniture, soft internal lighting, lots of small room details, keep the same face and hairstyle.”
- For other scenes, swap “bedroom” with forest, café, gaming desk, mini lab, or any theme you want.
Generate the image
- Click Generate / Create and wait a few seconds for Gemini Nano Banana to build the 3D chibi cube scene from your selfie plus text.
- If the diorama feels empty, add lines like “fill the diorama with many cute little details that match the character’s hobbies.”
Refine and re-generate if needed
- If your face looks off, add “preserve real facial features, same skin tone, same hairstyle” and regenerate.
- If the cube isn’t closed or the lighting is flat, mention “enclosed isometric cube, internal glow, soft warm lighting, subtle reflections on the glass.”
Download and share
- Save the final 3D chibi diorama in the highest resolution Gemini offers (often up to 4K for Nano Banana Pro) and export as PNG/JPEG.
- Post it as a profile picture, story, or carousel series to show different chibi worlds of the same character.
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Ultimate Google Gemini Nano Banana Prompts to Create Cute Chibi-Style 3D Selfie Dioramas Portraits
Prompt 1: Chibi 3D Pastel Room Diorama
Use This:
“Create a chibi-style 3D diorama of me standing inside a tiny pastel bedroom with mini furniture, soft lighting, and toy-like proportions. Give me a big chibi head, expressive eyes, and a simplified body. Include details like posters, books, and a small window with sunlight.”
Best for: Cute chibi avatars, 3D character art, aesthetic social media posts, personalised digital collectibles.
Prompt 2: Chibi Explorer Forest Diorama
Use This:
“Generate a chibi 3D diorama of me as an explorer in a tiny forest world with oversized mushrooms, glowing fireflies, and cartoon-style trees. Keep proportions exaggerated and cute, with bright colours and a miniature adventure theme.”
Best for: Cute 3D avatars, fantasy chibi art, miniature world illustrations, creative AI character designs.
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Prompt 3: Chibi Futuristic Lab Diorama
Use This:
“Make a chibi 3D diorama of me inside a small futuristic lab with holograms, robots, and neon lights. Use a toy-like style, oversized chibi hea,d and simplified body. Add floating screens and a tiny control station.”
Best for: Sci-fi chibi avatars, 3D character dioramas, futuristic AI art, creative profile visuals.
Prompt 4: Chibi Cozy Café Diorama
Use This:
“Create a chibi-style 3D diorama of me in a cosy café setting with tiny tables, pastries, warm lighting and a soft cartoon look. Give the scene a miniature world feel, as if part of a small collectible figurine set.”
Best for: Cute chibi avatars, café-themed 3D art, aesthetic social media visuals, collectible-style character designs.
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Prompt 5: Chibi Gaming Desk Diorama
Use This:
“Generate a chibi 3D mini diorama of me at a gaming desk with RGB lighting, a small PC tower, cute accessories and a stylised cartoon atmosphere. Keep the proportions chibi and playful, with bold colours and clean outlines.”
Best for: Gamer chibi avatars, 3D miniature scenes, playful digital collectibles, streaming profile visuals.
Prompt 6: Chibi 3D Selfie Bedroom Desk Diorama
Use This:
“Create a cute chibi-style 3D selfie diorama of me inside a tiny, aesthetic bedroom workspace designed like a collectible figurine scene. Give me an oversized chibi head, big expressive eyes, and a simplified, rounded body with playful proportions. I am standing next to a small desk with a laptop, coffee mug, plants, and soft pastel accessories. The room includes miniature shelves, wall art, books, and a window with warm daylight streaming in. Use soft pastel colours, toy-like textures, gentle lighting, and a clean, polished 3D cartoon look, as if it’s a premium chibi figure inside a display box.”
Best for: Cute chibi 3D selfies, Google Gemini Nano Banana prompts, miniature diorama portraits, aesthetic digital collectibles, social media avatars.
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Image Credits: Google Gemini AI
