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From pixels to ray tracing: a 3D renderer built with Claude Code

A rendering engine built step by step with Claude Code.

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Credits

  • HN submitter fersab Source ↗

Earliest dated source: 16 Feb 2026

The full story

Most AI-assisted projects are wrappers, CRUD apps or stitched-together frameworks, so this author pushed Claude Code toward heavy algorithmic, real-time maths: a 3D rendering engine built from scratch, in the spirit of the demoscene. PixelForge goes from drawing individual pixels all the way to ray tracing, with no frameworks, just pixels and linear algebra.

How it was done

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Sources

From the maker's own write-up or code. We summarise what they report; we haven't tested it ourselves.

  • Hacker News: From Pixels to Raytracing – A 3D Rendering Engine Built with Claude CodeBlog or write-upfersab.github.io
  • Hacker News discussion (2 points)Forum threadnews.ycombinator.com
    HN submitter: fersabPosted 16 Feb 2026

    Hacker News post linking the interactive engine.

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Prompt & Solder

An independent community project. Not affiliated with Anthropic.

What this is. Real projects where people used Claude to build, fix, port, revive or take apart something, from jailbroken Kindles to rebuilt DOS games, plus the times it went badly wrong. Every build links to where it was shared, and every source is listed here.

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