---
format: "aidr-story-markdown/v1"
id: "ab03af192490887bee9f1ab6d4891f7b35bcd181a2260d40f5f75b7b3321a1f2"
canonical_url: "https://aidr.today/ab03af19?lang=en"
title: "I asked Claude build a physically accurate O'Neill cylinder you can walk around"
lang: "en"
requested_lang: "en"
available_langs: ["en","vi"]
translation_fallback: null
fallback_fields: []
published_at: "2026-10-04T19:49:12.000Z"
category: "Products"
topics: ["anthropic","coding"]
source_urls: ["https://island-three.gruberbuilds.workers.dev/","https://news.ycombinator.com/item?id=49957191"]
summary: "A physically based, WebGPU-accelerated simulation of an O"
---

# I asked Claude build a physically accurate O'Neill cylinder you can walk around

> [Open the canonical story](<https://aidr.today/ab03af19?lang=en>)

**Published:** 2026-10-04T19:49:12.000Z
**Category:** Products
**Topics:** anthropic, coding

## Summary

A physically based, WebGPU\-accelerated simulation of an O

## Sources

- [Story source](<https://island-three.gruberbuilds.workers.dev/>)
- [Discussion](<https://news.ycombinator.com/item?id=49957191>)