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Henlo — The Egg That Travels the Whole Page

A feathered 3D hen lays two eggs, and you follow them all the way down: they crack open, seal up, ride beside the shop and drop into a carton that seals itself.

A sunny, colourful site for a free-range egg farm, built entirely in Three.js with no images and no 3D models: every object is generated in code. The hero is a hen shingled with about 1,500 laced feathers, with a red comb, glossy eyes and an iridescent tail, sitting in a nest of 1,500 straws; she follows the cursor with quick chicken head-jerks, and after the loader she lays a brown egg and then a white one, each popping out in an arc and landing with a squash and a puff of straw. Click her and she clucks in a speech bubble and lays another. Those two eggs then travel the whole page as one continuous journey tied to the scroll: they fly from the nest to centre stage and grow, get labelled with tags on dotted leader lines, crack along a jagged line so the caps tip off and the same glowing yolk rises in each, seal themselves back up, follow you down the page margins past the shop, and dive into the two middle cups of an open pulp carton. Ten more eggs bounce in around them, the lid closes and a sticker printed with today's laying date slaps on, while three steps tick off beside it. The shop cards show cartons rendered at load from the same 3D model, in brown or white, with an egg that flies to the basket. It ends on the farm as a floating island that turns from dawn to golden hour: a red barn, a silo, a solar coop, a spinning wind pump, an orchard and a pond, with hens in six breeds wandering and pecking, chicks in a line, butterflies and clouds, and hotspots that pop up over each building. Scroll back up and the whole trip plays in reverse. Static HTML, CSS and JavaScript with Three.js, GSAP ScrollTrigger and Lenis, about 55KB of source.

Paste the prompt intoClaude CodeCursorAntigravityWindsurfLovableBoltv0

What's in the source

11 files — one self-contained page that opens in a browser, with the prompt that made it.

henlo-eggs/
├─ js/  7 files
├─ css/  1 file
├─ PROMPT.md
├─ index.html
└─ … 1 more

How to run this

Works the same on Windows, macOS and Linux. No prior setup beyond Node.js, and nothing to configure — the pack runs as-is.

Built with
HTML, CSS & JavaScript
Requires
Node.js 18 or newer
Opens at
http://localhost:3000

Note — No build step: index.html, css/style.css, js/app.js and the Three.js module js/world.js with its models in js/three/. There are no images or 3D files: every object is generated in code. Serve the folder rather than double-clicking index.html: ES modules need http, which a file:// page does not give them. Three.js, GSAP, Lenis and the Google Fonts load from their CDNs, so the first load needs an internet connection.

✦ Or let an AI agent set it up for you

Already using Claude Code, Antigravity, Cursor or Windsurf? Unzip the pack, open the folder as a project, and just ask:

Install the dependencies and run this project, then give me the URL

It reads the README included in the pack, runs the right commands for this project, and sorts out anything that trips along the way. You still need Node.js installed (step 1 below) — everything after that it can handle.

Or run it yourself

  1. 1

    Install Node.js, if you don't have it

    Download the LTS build from nodejs.org and run the installer — on Windows and Mac it handles everything. Mac users with Homebrew can run brew install node instead.

    To check it worked, run node --version. It should print a number like v22.11.0.

  2. 2

    Unzip the pack, then open a terminal inside the folder

    Windows: open the unzipped folder in File Explorer, click the address bar, type powershell and press Enter.

    Mac: press Cmd+Space, type terminal, press Enter. Then type cd (with a trailing space) and drag the unzipped folder onto the terminal window — it fills in the path for you. Press Enter.

  3. 3

    Start it

    Run npx serve . — npx downloads the little server on demand, so there is nothing to install first.

    Then open http://localhost:3000 in your browser. Leave the terminal open while you use it — closing it stops the site. Press Ctrl+C in the terminal to stop.

+ If something goes wrong
“npm is not recognised” / “command not found: npm”
Node.js isn’t installed, or the terminal was open before you installed it. Close the terminal, open a new one, and try again.
“Port 3000 is already in use”
Something else is running there — often a previous copy of this site. Close the other terminal, or stop it with Ctrl+C.
The page loads but images or video are missing
Make sure you ran the command from inside the unzipped Henlo — The Egg That Travels the Whole Page folder itself, not the folder containing it.

Still stuck? Email us and we'll get it running with you.

Questions about Henlo

Who is Henlo for?

Henlo is for restaurants, cafés and food brands and online shops and product brands, and for the designers, developers and agencies who build their sites. It's a foundation rather than a site for one business: ask your AI to make it about yours and it rewrites the copy, colours and images around the same build.

What is Henlo built with?

Henlo is built with Three.js, 3D / WebGL, GSAP, HTML/CSS/JS and instancing. The source is a single HTML file: open it in a browser and it runs, with no build step. The prompt is written for coding agents such as Claude Code, Cursor and Antigravity.

Can I use Henlo for a client project?

Yes. Every purchase includes a commercial licence: use it in your own projects and in work you deliver to clients, including paid client work, change and rebrand it, and publish the result with no credit needed. What you can't do is resell, share or republish the prompt or the source files themselves.

Should I buy the prompt or the source?

The prompt is the written brief that built the design: paste it into a coding agent such as Claude Code, Cursor or Antigravity and it builds the site on your computer, which you then refine. The source is the finished project itself, ready to run exactly as the preview shows. The source always includes the prompt.

Will the prompt give me exactly the preview?

Not exactly, and that's expected. A prompt is a starting point: AI output varies between tools and between runs, so plan to refine spacing, timing and copy. The source pack is the preview itself, finished and running.

Can I get a refund?

Single designs are final once delivered, unless something is wrong on our side: a broken or empty download, a pack that isn't what its page describes, or a double charge. Then email support@brandmotion.in with your receipt and we fix it or refund it. The full terms are on the refunds page.