# GPT Image Hub prompt

## Studio Portrait 48-Panel Facial Expression Sheet
- URL: https://www.gptimagehub.com/library/studio-portrait-48-panel-facial-expression-sheet
- Generator URL: https://www.gptimagehub.com/generate?promptId=oss-ym-mm-11196
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Flibrary%2Fstudio-portrait-48-panel-facial-expression-sheet
- Category: Portrait & Photography
- Model: nanobananapro
- Aspect ratio: 4:5
- Style: photorealistic
- Tags: contact sheet, facial expressions, editorial portrait, grid layout, studio lighting, character sheet
- Updated: 2026-10-27T12:39:18.098Z
- Created: 2026-10-27T12:39:18.098Z

Generates a comprehensive 48-panel studio contact sheet showcasing diverse facial expressions for a single subject. Customize the subject's gender, attire, or backdrop color inside brackets to adapt it to your model.

### Full prompt
```text
{
  "generation_request": {
    "meta_data": {
      "tool": "NanoBanana Pro",
      "task_type": "studio_expression_contact_sheet_6x8",
      "language": "en",
      "version": "v1.0_48_PANEL_FACE_LOCK"
    },
    "input": {
      "mode": "image_to_image",
      "reference_image_usage": "high",
      "preserve_identity": true,
      "preserve_facial_features": true,
      "preserve_hairstyle": true,
      "preserve_wardrobe": true,
      "notes": "Create a 6x8 grid (48 panels) studio expression contact sheet. The same [adult male] identity from the reference photo in every panel against a seamless [white] studio background. Locked head-and-shoulders framing across all tiles. Facial expressions and subtle hand gestures vary across panels. No text, logos, or watermarks."
    },
    "output_settings": {
      "aspect_ratio": "4:5",
      "layout": {
        "type": "grid",
        "rows": 8,
        "cols": 6,
        "gutter": "thin_white",
        "panel_consistency": "strict"
      },
      "sharpness": "studio_crisp",
      "render_style": "clean editorial portrait photography"
    },
    "scene": {
      "environment": "seamless [white] studio backdrop",
      "lighting": {
        "style": "soft frontal portrait lighting",
        "key_light": "large diffused softbox centered",
        "fill": "balanced fill, minimal shadows"
      },
      "camera": {
        "lens": "85mm portrait lens",
        "framing": "tight head-and-shoulders crop",
        "focus": "sharp on eyes"
      }
    },
    "subject": {
      "type": "[adult male]",
      "wardrobe": "[simple white shirt]",
      "hair": "[natural medium-length dark hair]",
      "anatomy": "photorealistic proportions, anatomically correct hands and fingers"
    },
    "expression_rule": "Each of the 48 panels displays a distinct expression: neutral, subtle smile, full smile, hearty laugh, smirk, raised eyebrow, wink, surprise, shock, wide eyes, open mouth gasp, dramatic gasp, side-eye, squint, anger, frown, clenched jaw, puffed cheeks, tongue out, exaggerated grin, mock scream, intense stare, skeptical look, confused tilt, doubtful smirk, playful cross-eye, roaring laugh, fake crying, hands on cheeks, binocular fingers over eyes, partially covered face, stretching mouth sideways, fist under chin, overjoyed beaming, stern stare, serene calm, narrowed eyes, mock frustration, dramatic sigh, hyperbolic shock, goofy grimace, proud smile, sarcastic grin, puzzled look, confident smirk, blank poker face, pensive look, relaxed resting pose.",
    "quality_control": {
      "identity_lock": "maximum",
      "background_lock": "maximum",
      "framing_lock": "maximum",
      "avoid": [
        "face distortion",
        "eye misalignment",
        "extra fingers",
        "missing fingers",
        "warped anatomy",
        "text",
        "watermarks",
        "borders"
      ]
    }
  }
}
```