The Kestrel 75 prompts: a 3D product site with Claude Fable 5.2
The Kestrel 75 site came from one prompt plus a fix prompt, run with Claude Fable 5.2 in Claude Code. Both prompts are free to download as .txt files. Get the files
The site after the fix prompt, recorded in Chrome at 1440×900. The keyboard is made up.
What the prompts do
- PROMPT-1.txt asks for a single-page 3D product site in Vite, TypeScript and three.js: a 75% keyboard modelled in code, five scroll-driven sections, a Build view where the board comes apart into layers, real keypresses on the 3D caps, three colourways, and a clean
npm run build. No external models, images or API keys. - PROMPT-2-fix.txt is the follow-up. It fixes six problems found in a watch-through of the first build: hard-to-read Switches text, bunched explode labels, a keypress you could barely see, cramped key legends, weak contrast, and no phone navigation. It also asks for an honest README.
How to use them
- Open Claude Code in an empty folder. I used Claude Fable 5.2 (
claude-fable-5-2), and you need Node and npm. - Paste PROMPT-1.txt as the first message and let it run.
- Look at the result, then paste PROMPT-2-fix.txt. It names the six problems from my run, so change the list to match what you see in yours.
A design skill called hallmark was installed in my Claude Code and set the look (its Formwork theme). Without it, your site will look different.
What didn’t finish
Verdict: PARTIAL. The site builds and runs, but the first run hit Claude’s 5-hour limit before it wrote the README or applied the fixes it had planned. After the fix prompt, five of the six problems look fixed by eye; the keypress is still subtle at full size, and the Build text still runs over the model on desktop. It hasn’t been tested on a real phone, Safari or Firefox.
The files
- PROMPT-1.txt ↓1.6 KB
- PROMPT-2-fix.txt ↓2.3 KB
Plain text, free, no sign-up.
Built by Claude Fable 5.2 in Claude Code. The look comes from the hallmark skill. I run AI experiments and write them down: what worked, and what didn’t.