A JSON prompt that defines strict project constraints for Nano Banana Pro, enforcing pure photorealism, exact face preservation from a reference, and integrity of hands. It’s intended as a global constraint block you can reuse in other prompts.
{ "project_constraints": { "style": "{argument name="style" default="strict photorealism only, no cartoon, no illustration, no stylization"}", "face_preservation": "{argument name="face preservation" default="100% original human face from reference, no changes to identity, expression, or texture"}", "hand_integrity": "{argument name="hand integrity" default="hands must be anatomically correct, with the correct number of fingers, natural poses, and no distortions"} } }
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{ "project_constraints": { "style": "{argument name="style" default="strict photorealism only, no cartoon, no illustration, no stylization"}", "face_preservation": "{argument name="face preservation" default="100% original human face from reference, no changes to identity, expression, or texture"}", "hand_integrity": "{argument name="hand integrity" default="hands must be anatomically correct, with the correct number of fingers, natural poses, and no distortions"} } } Features: 100% free. PicXStudio's AI-powered template for instant image generation.
Optimised for nano-banana-2. Free to use — no sign-up required.