# Puzzle Cube

> A fully working 3×3 twisty puzzle in pure CSS 3D: 26 cubies driven by rotation matrices, per-face Lambert shading from a fixed light, drag-to-orbit with inertia, keyboard face turns, and an autoplay loop that scrambles and then solves itself by reversing its history.

- Slug: `puzzle-cube`
- Category: [3D](https://www.assembli.design/category/3d.md)
- Type: component
- Tags: 3d, cube, puzzle, interactive, css-3d, keyboard
- npm dependencies: motion
- shadcn/ui dependencies: none
- Added: 2026-10-15
- Live preview: https://www.assembli.design/preview/puzzle-cube
- Page: https://www.assembli.design/components/puzzle-cube

## Install

One-time setup (needs a subscription):

1. Add the registry to the project's `components.json`: `{"@assembli":{"url":"https://www.assembli.design/r/{name}.json","headers":{"Authorization":"Bearer ${ASSEMBLI_API_KEY}"}}}` (merge into `"registries"`).
2. Put an API key from https://www.assembli.design/account in `.env.local` as `ASSEMBLI_API_KEY=asm_…`.

Then install with the shadcn CLI (writes `components/puzzle-cube/puzzle-cube.tsx` and installs dependencies):

```bash
npx shadcn@latest add @assembli/puzzle-cube
```

Registry item JSON: https://www.assembli.design/r/puzzle-cube.json (send `Authorization: Bearer <api key>`)

## Code

> Component source needs an Assembli subscription ($12/month) and an API key sent as `Authorization: Bearer <key>`. To get one without copying anything, POST https://www.assembli.design/api/agent/login (or call the MCP tool connect_account), show the user the link it returns, and poll https://www.assembli.design/api/agent/token for the key. Or subscribe at https://www.assembli.design/pricing and create a key at https://www.assembli.design/account.