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A web character creator that exports Old School RuneScape models to Blender

A Three.js tool reads OSRS cache files and sends rigged characters to a Blender addon, built with Claude.

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Credits

  • Reddit poster TheCheesy Source ↗

Earliest dated source: 24 Aug 2025

The full story

The poster built a pipeline for Old School RuneScape characters: a Three.js web app that reads directly from the game's cache files and lets you browse over 20,000 gear and customisation options, plus a Blender addon that imports the models with their vertex weights and bone structures intact.

They describe the cache format as undocumented, with custom compression and a proprietary 3D model format that uses vertex animation without a skeleton. A live demo and the addon download are linked.

How it was done

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Sources

From a short post by the maker, so the details are as they tell them.

  • Reddit: Built with Claude! - OSRS Blender Bridge - Complete 3D Character Creator & Blender ExporterForum threadreddit.com
    Reddit poster: TheCheesyPosted 24 Aug 2025

    The maker's post on r/ClaudeAI.

    If it disappears: archived copy of Reddit: Built with Claude! - OSRS Blender Bridge - Complete 3D Character Creator & Blender Exporter (opens in a new tab)

  • The project: psyda.github.ioBlog or write-uppsyda.github.io

    Linked in the post.

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Prompt & Solder

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