# 3D Tron Grid Background

> An animated three.js grid floor with pulsing lines, floating particles and light beams, used as a full-screen Tron-style background whose accent color follows the active theme.

- Author: [thegridcn](https://21st.dev/@thegridcn)
- Library: The Gridcn
- License: MIT
- Tags: Three.js, 3D Background, Grid, Shader, Tron
- npm dependencies: three, @react-three/fiber
- Live preview: https://21st.dev/@thegridcn/components/grid

## Install

```bash
npx shadcn@latest add "https://21st.dev/r/thegridcn/grid?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/three-js.md