# GPT Image Hub prompt

## Phác Thảo Than Cùi Tay Ảo Giác Quang Học
- URL: https://www.gptimagehub.com/vi/library/optical-illusion-fist-charcoal-sketch
- Generator URL: https://www.gptimagehub.com/vi/generate?promptId=oss-ym-mm-19611
- Markdown URL: https://www.gptimagehub.com/api/agent/markdown?path=%2Fvi%2Flibrary%2Foptical-illusion-fist-charcoal-sketch
- Category: Concept art
- Model: nanobananapro
- Aspect ratio: 3:4
- Style: painterly
- Tags: than củi, phác thảo, ảo giác quang học, chủ nghĩa siêu thực, đơn sắc, nắm đấm, vẽ tranh
- Updated: 2026-10-26T20:46:38.098Z
- Created: 2026-10-26T20:46:38.098Z

Tạo bức tranh than siêu thực tương phản cao kết hợp hình dáng người cuộn tròn thành nắm đấm chặt. Tùy chỉnh phong cách nền để thay đổi bầu không khí.

### Full prompt
```text
An unsettling and surreal charcoal sketch in high-contrast black and white, depicting an optical illusion where a coiled, sleeping human figure is inextricably merged with a massive clenched fist. The bald human head with closed eyes and curled fetal-like body form the knuckles and thumb contours of the fist. Dense cross-hatching, smudging, and burnishing on textured paper render sculptural shading and fine tactile texture. The background is a simple, blurred [charcoal wash], isolating the hybrid form as the central focus.
```