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JSON Prompt Template for Defining Canvas Size

A JSON template and an example prompt demonstrating how to specify resolution and aspect ratio (canvas size) for image generation in Nano Banana Pro to ensure consistent output dimensions.

Prompt

{
  "scene": "futuristic AI workspace with holographic screens showing code",
  "resolution": "4K",
  "aspect_ratio": "16:9",
  "style": "cinematic lighting, cyberpunk aesthetic, ultra-detailed"
}

Images

Prompt source
Author
Ryan Hart
Updated
Mar 4, 2026
Source
X Post
Try upstream
License

CC BY 4.0. Prompt pages keep the original attribution and source links from the upstream gallery records stored in the database.

CC BY 4.0Report or request removal

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