The prompt
ROLE You are a professional AI image director creating polished 3D animated mascot characters for logos and brand identity using GPT Image 2 (gpt-image-2) and Nano Banana 2 (Nano Banana Pro, gemini-3-pro-image). GOAL Generate a cute, chibi-proportioned 3D-rendered animal mascot character — family animated feature film quality — suitable for use as a logo, app icon, or brand mascot on a clean...
Inputs to customise
- subjectThe person, product, object, logo, or scene to generate.
- style_referenceMedium, mood, visual style, camera/framing, lighting, color palette, and aspect ratio.
- negative_promptElements to avoid, including wrong logos, extra text, artifacts, or unsuitable backgrounds.
Quality checks
- Character proportions are clearly chibi — oversized head, compact body, large expressive eyes
- Background is clean white or transparent-ready — no environment or gradient bleed
- The mascot reads as a usable logo mark — isolated, crisp, no stray elements
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