# Spring Hopper

> An animated SVG diagram of a single-legged hopping robot whose coil spring really compresses, with stance and flight timing derived from drop height and spring rate, and a drag-to-load interactive mode.

- Author: [timmikeladze](https://21st.dev/@timmikeladze)
- Library: @delego
- License: MIT
- Tags: Robot, SVG Animation, Physics, Spring, Illustration
- Live preview: https://21st.dev/@timmikeladze/components/spring-hopper

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/timmikeladze/spring-hopper?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/robot.md