Osaka Castle in Three.js vs Blender: 1.5-hour render, never opened Blender before

claudeai · x · 2026-09-26

In a demo reposted by Anthropic, a developer rebuilt Osaka Castle twice — once with Three.js, once with Blender. The Blender render took 1.5 hours on an M4 MacBook using free CC0 textures, with the author never having opened Blender before. Verdict: Blender for realism, Three.js for convenience.

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