# Christmas Tree

> Tinsel pack asset: a snow-frosted Christmas tree on an iced gingerbread plinth with sprinkles. Baubles hang under its drooping boughs, fairy lights twinkle in turn, and every seven seconds the tree shivers tier by tier, the star spins a full turn and the gifts at its foot hop one after another. Raymarched in WebGL with a real ground shadow. Six palettes or your own colors.

- Slug: `tinsel-tree`
- Category: [Asset packs](https://www.assembli.design/category/asset-packs.md)
- Subcategory: [Tinsel](https://www.assembli.design/category/asset-packs/tinsel.md) (`tinsel`)
- Type: component
- Tags: 3d, webgl, raymarching, asset, christmas, holiday, christmas-tree, tree, star, gifts, lights
- npm dependencies: none
- shadcn/ui dependencies: none
- Added: 2026-10-21
- Live preview: https://www.assembli.design/preview/tinsel-tree
- Page: https://www.assembli.design/components/tinsel-tree

## 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/tinsel-tree/tinsel-tree.tsx` and installs dependencies):

```bash
npx shadcn@latest add @assembli/tinsel-tree
```

Registry item JSON: https://www.assembli.design/r/tinsel-tree.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.