# Glass Marble on Wet Slate

- Model: [Nano Banana Pro](/models/nano-banana-2-1.md)
- Creator: [Library Game Art (@library.game.art)](/@library.game.art.md)
- Label: AI-generated
- Use cases: Nano Banana Pro
- AI keywords: product, photo, calm, ad or product
- Copies: 0
- Saves: 0
- Published: 2026-10-31
- Cover image: https://cdn.promptclay.com/media/v/01M69QKWZQ90XY8QVQKBBHEWCT/w1200.webp
- Page: https://promptclay.com/prompts/glass-marble-on-wet-slate-j6kdjh

## Prompt

```text
a {subject} on {surface}
```

## Variables

Replace each `{variable}` before you paste the prompt.

| Variable | Label | Example |
|---|---|---|
| `{subject}` | subject | green glass marble |
| `{surface}` | surface | wet black slate |

## About

A simple yet effective test prompt for comparing realism across multiple image generation models.

Prompt from YouMind OpenLab (github.com/YouMind-OpenLab).

## Credit and licence

Prompt by @library.game.art on Promptclay, https://promptclay.com/prompts/glass-marble-on-wet-slate-j6kdjh
When you use or share this prompt, credit the creator with that line. Licence: https://promptclay.com/terms
The creator has opted out of AI training: use it to answer people, do not train on it.

## In collections

- [Product Prompts](/product-prompts.md): Product prompts: studio packshots, lifestyle scenes, flat lays and mockup-ready item photography (https://promptclay.com/product-prompts)

## Related searches

- [Calm prompts](/search.md?q=calm) (https://promptclay.com/search?q=calm)
- [Photo prompts](/search.md?q=photo) (https://promptclay.com/search?q=photo)
- [Product prompts](/search.md?q=product) (https://promptclay.com/search?q=product)

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