# GPT Image Hub prompt

## Cuadrícula 3x3 de Expresiones Faciales FACS
- URL: https://www.gptimagehub.com/es/library/facs-facial-expression-portrait-grid
- Generator URL: https://www.gptimagehub.com/es/generate?promptId=oss-ym-g2-20471
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fes%2Flibrary%2Ffacs-facial-expression-portrait-grid
- Category: Retrato y fotografía
- Model: nanobananapro
- Aspect ratio: 1:1
- Style: photorealistic
- Tags: facs, hoja de expresiones, collage de retratos, cuadrícula, fotografía espontánea, foto de móvil
- Updated: 2026-10-28T03:02:28.098Z
- Created: 2026-10-28T03:02:28.098Z

Crea una cuadrícula 3x3 espontánea con nueve expresiones faciales codificadas con FACS del mismo sujeto. Personaliza los rasgos y vestimenta entre corchetes.

### Full prompt
```text
{
  "objective": "Create a 3x3 portrait collage inspired by expressive fashion photography, using FACS (Facial Action Coding System) to define each facial expression. The subject is [a beautiful redhead woman with green eyes], captured in candid smartphone-style color photography.",
  "aspect_ratio": "1:1",
  "composition": {
    "layout": "3x3 grid (9 equal panels)",
    "framing": "tight head-and-shoulders portraits",
    "style": "clean grid with minimal spacing, consistent framing across all panels",
    "consistency": "same subject, same lighting, slight variations in pose and head angle"
  },
  "subject": {
    "person": "[adult woman]",
    "appearance": {
      "hair": "[natural red hair, slightly textured]",
      "eyes": "[green eyes, highly expressive]",
      "skin": "natural skin texture with visible pores and slight imperfections, not over-smoothed"
    },
    "outfit": {
      "top": "[low-cut cream tank top]",
      "style": "minimalist, casual"
    }
  },
  "facs_expressions": [
    { "panel": 1, "action_units": ["AU4 (brow lowerer)", "AU9 (nose wrinkler)", "AU10 (upper lip raiser)"], "description": "slight snarl expression" },
    { "panel": 2, "action_units": ["AU25 (lips part)", "AU26 (jaw drop)", "AU19 (tongue show)"], "description": "playful tongue out" },
    { "panel": 3, "action_units": ["AU1 (inner brow raiser)", "AU2 (outer brow raiser)", "AU24 (lip pressor)"], "description": "gentle serious look with hands clasped together" },
    { "panel": 4, "action_units": ["AU5 (upper lid raiser)", "AU25 (lips part)"], "description": "relaxed upward gaze with hands resting in hair" },
    { "panel": 5, "action_units": ["AU12 (lip corner puller)", "AU6 (cheek raiser)"], "description": "subtle natural smile" },
    { "panel": 6, "action_units": ["AU4 (brow lowerer)", "AU10 (upper lip raiser)", "AU25 (lips part)"], "description": "intense lip-biting expression" },
    { "panel": 7, "action_units": ["AU18 (lip pucker)", "AU22 (lip funneler)"], "description": "playful fish face" },
    { "panel": 8, "action_units": ["AU25 (lips part)", "AU26 (jaw drop)", "AU5 (upper lid raiser)"], "description": "surprised open-mouth expression" },
    { "panel": 9, "action_units": ["AU1 (inner brow raiser)", "AU15 (lip corner depressor)"], "description": "soft melancholic look with hand resting on cheek" }
  ],
  "visual_style": {
    "genre": "candid editorial portrait photography",
    "color": "full color",
    "texture": ["fine film grain", "natural skin details", "mild sensor noise"],
    "color_tone": "neutral to warm tones"
  },
  "lighting": {
    "style": "direct on-camera flash or frontal lighting",
    "effect": "crisp frontal highlights, subtle harsh drop shadows, candid snapshot mood"
  },
  "camera": {
    "device": "smartphone camera",
    "distance": "close-up portrait distance",
    "feel": "handheld, casual authentic framing"
  },
  "negative_constraints": [
    "no black and white",
    "no airbrushed plastic skin",
    "no studio backdrop perfection",
    "no inconsistent facial identity across panels",
    "no heavy glamorous makeup"
  ]
}
```