Miniature worlds

Terrarium city ecosystem

Place a small layered city inside an open glass terrarium with curved paths, tiny trees and one central tower, leaving clear foreground glass.

Concept illustrationText only1:1

Terrarium city ecosystem — Original vector concept illustration. It explains the composition; it is not a GPT-generated test result or an imported photograph.

THE VISUAL RECIPE

Understand the idea

Composition: Place a small layered city inside an open glass terrarium with curved paths, tiny trees and one central tower, leaving clear foreground glass.
Light & materials: Moist moss, pale stone buildings and soft daylight refracted through glass, with visible scale differences between trees and towers.
Check the result: Avoid confusing interior miniature buildings with a real full-scale city behind the glass.

Sources, attribution & preview origin

Original vector concept illustration. It explains the composition; it is not a GPT-generated test result or an imported photograph.

This reusable template was written for Smart Prompts. No third-party prompt or image is reproduced here.

OpenAI — Image generationTechnical reference; not the source of the preview art.
Adobe — Writing effective text promptsPrompt-writing reference; templates here are written for Smart Prompts.

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Create one finished image of a sustainable fantasy city for Creative hobby and design audiences.
CONCEPT: Terrarium city ecosystem.
COMPOSITION: Place a small layered city inside an open glass terrarium with curved paths, tiny trees and one central tower, leaving clear foreground glass.
LIGHT, COLOUR AND MATERIAL: Moist moss, pale stone buildings and soft daylight refracted through glass, with visible scale differences between trees and towers.
COLOUR DIRECTION: Use the concept colours described above.. Adapt these colours without losing the concept’s essential contrast.
FRAME: 1:1 requested aspect ratio. Keep the focal subject within safe margins.
TEXT / BRAND: No text; leave planned copy space empty.. Brand context: No brand supplied.. Do not invent copy, a logo, an endorsement or an affiliation.
REFERENCE: Work from the written brief; no reference upload is necessary.
QUALITY CHECKS: Avoid confusing interior miniature buildings with a real full-scale city behind the glass. Check object count, edges, shadows and unintended extra elements before finishing.
EXTRA REQUIREMENTS: No additional requirements..
Produce the image rather than a description of the image. When image creation is unavailable, explain that limitation instead of claiming an image was produced. Treat the requested ratio as a compositional target, not a promise of exact print dimensions.

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