# Hairline Terrain

> An isometric field of 81 small pillars on a plinth that rise into a dune shape and ripple upward around the pointer, with a radius you can tune and reduced-motion/offscreen handling built in.

- Author: [lucasmarkes](https://21st.dev/@lucasmarkes)
- Library: Hairline
- License: MIT
- Tags: SVG Animation, Data Visualization, Hover Effect
- Live preview: https://21st.dev/@lucasmarkes/components/terrain

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/lucasmarkes/terrain?api_key=$API_KEY_21ST"
```

Requires a 21st API key (generate one at https://21st.dev/mcp) passed as `API_KEY_21ST`. Free accounts get a limited number of installs per day; unlimited on a paid plan — see https://21st.dev/pricing.

Full component directory: https://21st.dev/llms.txt · More like this: https://21st.dev/community/components/s/svg-animation.md