Breaking

EA SEED open-sources Mesh2Splat for instant mesh-to-3DGS conversion

June 28, 2026 at 07:30 EDT

Media Generation
Open Source
Research & Papers

Electronic Arts' research group SEED has open-sourced Mesh2Splat, a tool that converts 3D meshes directly into a 3D Gaussian Splatting (3DGS) representation. Its key feature is performing the mesh-to-3DGS conversion in milliseconds without any training, a process that previously took minutes to tens of minutes.

EA SEED · Open Source Release

Mesh2Splat: Minutes of 3D Conversion Collapse to Half a Millisecond

EA's research group SEED releases an open-source tool that converts a triangle mesh directly into 3D Gaussian Splatting — skipping image rendering and optimization entirely, with conversions averaging under 0.5ms.

<0.5ms

Average conversion time per mesh

.glb → 3DGS

Direct mesh-to-splat, no camera poses

PBR

Relightable output, albedo / normal / depth

Old pipeline vs. Mesh2Splat — time to convert

Same task, drawn to scale on a time axis. The old route runs to ~20+ minutes before a result; Mesh2Splat is essentially instant.

Optimization (2DGS)

Image render 10–60 min

COLMAP init

Optimization

10+ min

···

20+ min

Mesh2Splat

Direct convert

<0.5ms

The takeaway: a multi-step job measured in tens of minutes becomes a single sub-millisecond step.

What it brings

Reads .glb meshes, outputs .ply 3DGS directly
Diffuse, Metallic-Roughness & Normal maps
Relightable PBR output with point lights & shadows
Adjustable sampling density via slider
Permissive license, Windows & Linux

Where it stops (early-stage)

No volumetric data — grass, hair, clouds
No non-triangular primitives
Explicitly described as an early-stage tool

Why it matters to technical artists

Existing mesh assets can drop straight into 3DGS-only rendering pipelines, Gaussians can be layered into mesh workflows, and the output serves as a foundation for relightable representations — with speed and easy integration cited as the main advantages.

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