Open3DLab accuses Roblox of scraping 145GB of 3D assets without permission
Open3DLab, an independent 3D modeling community, alleges Roblox used a web crawler to download 145.5GB of 3D assets from its sites—including sister platforms SFMLab and SmutBase—between October 18 and 20. The crawler, identified by the user agent trellis2-data-sourcing/1.0 (3D foundation model research; [redacted]@roblox.com), ignored robots.txt rules, terms of service, and creator licenses,…
Key points
- Roblox crawler downloaded 145.5GB of 3D assets from Open3DLab’s sites, violating terms and licenses
- Open3DLab blocked the crawler after detecting 26,429 requests over three days, but attempts persisted
- Open3DLab suspects data was collected for Roblox’s 3D foundation model, *Roblox Cube*, launched in 2025
Open3DLab speculates Roblox was gathering data for its 3D foundation model, Roblox Cube, announced in March 2025, and its 4D generation AI tool launched in February 2026. The email in the user agent matches a researcher listed in Roblox Cube’s paper, though Open3DLab cannot confirm the intent. The platform, with 33 million users and 40% under 12, has faced criticism for not reviewing scraped content, including adult material, before use.
Open3DLab accuses Roblox of downloading 145GB of 3D assets for AI training purposes
Tom's Hardware · 27 October 2026
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