Graphite 3D Sketch Portrait
Ratio 3:4Image-to-Image
Creator Reference:@ai_for_success
Original Post

Graphite 3D Sketch Portrait

Copy this Nano Banana Pro reference-guided prompt to create character portraits in studio setups with photorealistic detail and cinematic lighting. Best in...

Master PromptClick to select all

{ "subject_core": { "demographics": "[STRICTLY FOLLOW REFERENCE IMAGE]: Age, gender, and ethnicity must match the uploaded source photo exactly. Rendered as a hyper-realistic graphite sketch.", "body_type": "Matches reference image physique, appearing to lean forward out of the 2D plane", "facial_features": "High-fidelity graphite translation of the reference face; shading emphasizes specific bone structure and unique traits from the source photo; eyes detailed with paper-white catchlights", "hair": "Matches reference image hairstyle and texture exactly, rendered with varying pencil pressure (hatching and cross-hatching)" }, "subject_styling": { "makeup_grooming": "Matches reference image grooming standards; skin texture converted to realistic pencil grain and stippling", "expression": "Matches reference image expression (e.g., focused, smiling, or neutral), intense gaze directed relative to the viewer", "pose_action": "Anamorphic illusion: The subject's hand (drawn in graphite) creates a 3D effect, appearing to reach out of the flat paper surface, holding a realistic wooden pencil" }, "wardrobe": { "top": "Matches clothing from reference image, textures converted to graphite cross-hatching to imply fabric weight", "bottom": "N/A (cropped or fading into the white of the paper)", "footwear": "N/A", "accessories": "Any distinct accessories from the reference photo rendered in sketch format" }, "environment_context": { "location": "Macro view of a textured, heavy-tooth white sketchbook page resting on a dark rustic wooden surface", "background_elements": "Real-world objects resting on the paper to sell the scale: a worn white block eraser, a metal pencil sharpener, scattered cedar wood pencil shavings, smudge of graphite dust", "time_context": "Studio lighting environment, timeless artistic setting" }, "cinematography_and_tech": { "lighting": "Dual lighting setup: 1. Simulated shading within the sketch based on the reference. 2. External 'real world' harsh lamp light casting long shadows from the pencil and eraser onto the paper", "camera_gear": "Macro photography, 100mm lens, sharp focus on the paper texture", "framing": "Top-down flat lay or slight isometric angle to enhance the 'pop-up' 3D illusion of the sketch", "visual_fidelity": "Photorealistic rendering of paper grain/fiber, tactile graphite sheen, rough charcoal texture, high contrast between dark leads and white paper", "color_grading": "Monochromatic greyscale for the subject (graphite/charcoal tones), natural realistic colors for the desk and drawing tools" }, "aspect_ratio": "4:5" }

Optimal Generation Parameters
Aspect Ratio
3:4
ModelNano Banana Pro
Aesthetic KeynotesPhotorealistic, Cinematic, Macro, 3D Rendered

Test & Generate with GPT Image 2

Prompt tokens and APIMart GPT Image 2 are pre-loaded. Customize or click generate.

GPT Image 2 ジェネレーター

Graphite 3D Sketch Portrait
Nano Banana 2
Creative Blueprint & Recipe Breakdown

How to Master & Adapt This Visual

Professional prompts rely on modular tokens. Use this recipe breakdown to swap subjects, control studio lighting, and eliminate common AI artifacts.

Prompt Variables Blueprint (What to Customize First)

Iterate on one variable group at a time to maintain stylistic consistency:

1Change the subject block first: { "subject_core": { "demographics": "[STRICTLY FOLLOW REFERENCE IMAGE]: Age, gender, and ethnicity must match the...
2Adjust the mood through light and backdrop cues: , focused, smiling, or neutral), intense gaze directed relative to the viewer", "pose_action": "Anamorphic illusion:...
3Keep the finish constraints aligned while you test variants: ", "body_type": "Matches reference image physique, appearing to lean forward out of the 2D plane", "facial_features":...

3 Style Recipes

Swap the subject, keep the frameRecipe #1

Replace { "subject_core": { "demographics": "[strictly follow reference image]: age, gender,... with your own subject while leaving the camera and composition cues intact.

Retune the mood, not the structureRecipe #2

Keep the subject block, then rewrite , focused, smiling, or neutral), intense gaze directed relative to the viewer",... to move the image into a new lighting setup.

Push the restyle with a cleaner referenceRecipe #3

Start from a sharper or more contrasty source image, then edit finish descriptors only after subject preservation is stable.

Production Quality Guide: Best Use vs. Pitfalls

Ideal Use Cases (Where it Shines)
  • •Portrait studies, beauty concepts, and tightly framed editorial references.
  • •Reference-image workflows where identity, product shape, or silhouette should survive the restyle.
  • •Cinematic, mood-first outputs where light direction carries a lot of the final image quality.
  • ✓Start with a sharp reference image. This prompt is written to preserve source identity, silhouette, or product structure before stylization.
  • ✓Use 3:4 on the first run, then test alternate crops after the base composition is working.
  • ✓Lock the environment before fine styling changes: , focused, smiling, or neutral), intense gaze directed relative to the viewer", "pose_action": "Anamorphic...
Pitfalls to Avoid (Common Mistakes)
  • !Ignoring the recommended 3:4 crop on the first run. The prompt's composition cues were written for that frame.
  • !Using a muddy reference image and expecting the prompt to repair identity, silhouette, or packaging structure on its own.
  • !Dropping the lighting or backdrop cues too early. Those clauses usually carry most of the mood and depth.
  • ✕Skip if: You need a wide environment shot or multiple subjects competing for attention in the same frame.
  • ✕Skip if: You need to begin with a radically different crop than 3:4 instead of honoring the existing composition hints.
  • ✕Skip if: Your reference image is low-resolution, badly lit, or cluttered enough to break subject preservation.

Technical Analysis & How This Prompt Works

Copy this Nano Banana Pro reference-guided prompt to create character portraits in studio setups with photorealistic detail and cinematic lighting. Best...

Use a clean reference image with obvious subject edges and readable facial or product details before you start changing the styling. Keep the generator on 3:4 for the closest match. The mood is anchored by , focused, smiling, or neutral), intense gaze directed relative to the viewer", "pose_action": "anamorphic...

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