Spark 2.0: 3D on the Web

2026·Testing & Prototyping, Developer Relations, Launch Creative

Project overview

Spark 2.0 is World Labs’ open-source 3D Gaussian splat renderer for Three.js, built to make large 3D worlds explorable on the web. Its level-of-detail (LoD) system, progressive streaming, and virtual memory support preparing, loading, and rendering scenes across devices. The release gives developers tools for bringing detailed spatial content into browser-based and immersive experiences.

Key work

Worked closely with the internal team to test Spark 2.0, debug issues, and build example projects.
Gathered developer and creator feedback ahead of the release and brought it into the team’s work on Spark 2.0.
Explored and tested the LoD system on mixed-reality devices, including Quest 3 and Apple Vision Pro.
Worked with the community on the beta release and collected feedback to inform the public launch.
Helped put together the launch blog and created visuals and demos showcasing LoD and Spark 2.0 features.
Collaborated with community members, developers, and creators to gather content for the public launch.