{
"version": "1.0",
"subject": {
"reference_image": "",
"preserve_architecture": true,
"keep_layout": true,
"keep_windows_and_doors": true,
"keep_room_proportions": true,
"transform": "decor, furniture, colours, lighting and textures"
},
"style": {
"name": "small optimised multifunctional living room",
"palette": "light tones, off-white, light grey and pale wood to open the space up",
"furniture": "a compact sofa, a small coffee table with storage, a slim TV panel and vertical shelves",
"lighting": "natural light used to the full, directional spots and a corner lamp",
"textiles": "a light rug in a proportional size and light cushions",
"decor": "a mirror to enlarge the space, small plants, vertical prints and a few well chosen objects",
"mood": "light, airy and functional"
},
"composition": "a realistic wide-angle interior photo, the same perspective as the photo sent, free ratio",
"quality": "a high quality interior render/photo, realistic lighting, convincing materials",
"negative_prompt": "real brands, logos, text, watermark, floating furniture, distorted perspective, crooked walls, deformed objects, people"
}
How to use
A small optimised flat living room looks bigger with compact furniture, light colours and mirrors, and you can test that use of space on the photo of the room using Gemini, NanoBanana or ChatGPT.
1. Paste the JSON prompt into the image generator along with a photo of your small living room, in the same message.
2. Adjust the "palette" towards lighter tones and swap the multifunctional furniture described in "furniture".
3. Generate the image and watch how the AI keeps the layout and the windows, only rearranging the decor.
4. Ask for variations with a mirror, vertical shelves and a compact sofa to compare the sense of space.
5. Save the best option and use it as a reference when buying bespoke or fitted furniture.
Tip: compare one version with a large mirror and one without, to see how much it opens the space up visually.
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