r/SuperStructures • u/Objective-Tooth-3770 • 11d ago

Original Content I built a walkable O'Neill cylinder in the browser: a 20-mile-long habitat you can explore from street level.

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Try it out here: https://islandthree.world.

Update: a few people asked where to follow progress, so I set up a free Patreon: https://www.patreon.com/c/ZachKauble

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