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A Semi-3D Little Guy Perched on a Window · Nano Banana Pro generated image

A Semi-3D Little Guy Perched on a Window

The character from the reference image becomes a desktop mascot, perched on the edge of a window and blending naturally into the system UI.

Nano Banana ProDesktop MascotCel ShadingReference CharacterUI OverlaySemi-3D
✍️ A structured prompt separates character, behavior, lighting, and UI layering into distinct fields, so the model doesn't flatten the mascot into the desktop background like a sticker. The shadow direction has to match the system's light source, or the sense of it sitting on top breaks immediately — a lesson that carries over to compositing any character onto a real-world scene.
📋 Prompt YAML Sectioned Style1950 characters
subject: - Character taken from reference image A - Semi-3D cel-shaded anime rendering with clean directional shadows and highlights for volume - Reads as a desktop mascot sitting on top of a real OS interface os_environment: - Pick either "Windows 11 desktop" or "macOS Sonoma desktop" - If unspecified, let the model settle on whichever UI reads more naturally - Populate it with genuine-looking UI chrome for that OS composition: - Photoreal desktop screenshot, 16:9 - Add believable app windows and icons as set dressing - Place the character so it interacts naturally with those elements action: - Let the model pick a mascot-style behavior: draped over a window's top edge, perched on a window frame, poking at an icon, or peeking out from behind a folder/app - Keep the pose grounded and a little playful, not floaty location: - A believable Windows or macOS desktop - Recognizable chrome: browser window, folder icons, taskbar or dock - Icons and windows stay background dressing only style: - Soft cel-shaded semi-3D look - Defined shadow shapes rather than rim light - Clean render that sits convincingly on top of the real desktop camera_lighting: - Flat frontal or top-down light for solid directional shadow - Gentle ambient fill to match desktop color tone - Straight screenshot-like angle, no dramatic tilt colors: - Cool OS-typical desktop tones - Character palette locked to reference A - Push shadow contrast for volume text: - Skip unless the scene calls for it edit_instructions: - Match character to reference A exactly - Push clear shadow planes for a 3D read - Keep the character layered above the desktop, not merged into it - Leave real UI assets untouched, background only references: A: character appearance source extras: - high resolution - convincing OS UI rendering - clean compositing, precise layering - allow the model some freedom in mascot movement

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