Draco is an open-source compression library, developed by Google, for shrinking 3D geometry — meshes and point clouds — so they transfer and load faster. It significantly reduces file size with minimal visible quality loss and is widely supported, including natively in glTF through the KHR_draco_mesh_compression extension.
Compression like Draco is a key step in asset optimization, cutting the data that must move across the network before a model can be viewed.
Asset optimization — The broader process Draco is part of.
GL transmission format (glTF) — Supports Draco natively.
Level of detail (LOD) — A complementary optimization technique.
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Technical deep-dives on adaptive spatial streaming, the infrastructure challenges of 3D at scale, and what we're learning as we build. Written by the team doing the work.
