Technology 2025-03-15 · 8 min read

What is 3D Gaussian Splatting? A Practical Guide for Developers and Studios

3D Gaussian Splatting (3DGS) enables photorealistic scene reconstruction from images. Learn how it works, where it excels, and how to deploy 3DGS assets in production workflows.

PR
PixelRaft Team

Why 3DGS Matters for Content Teams

3D Gaussian Splatting (3DGS) reconstructs photorealistic 3D scenes from a set of images, producing a representation that can be rendered interactively in the browser without heavy downloading or installation. Unlike traditional mesh-based pipelines, 3DGS captures appearance, lighting, and geometry from real scenes — making it especially useful for cultural heritage, real estate, product visualization, and virtual production.

How It Works: From Images to Interactive 3D

The 3DGS pipeline starts with a set of photographs taken from multiple angles around a subject. A reconstruction algorithm processes these images and produces a point cloud of 3D Gaussians — each carrying position, color, opacity, and shape information. These Gaussians can be rendered in real-time using differentiable splatting, producing a smooth, photo-like view that can be navigated in a browser.

The key advantage over NeRF (Neural Radiance Fields) is speed: 3DGS training converges much faster while maintaining comparable visual quality, making it practical for production environments with real deadlines.

Supported File Formats

PixelRaft's Dasein platform supports ingestion and delivery across four major 3DGS formats:

  • PLY — Raw Gaussian point cloud, widely used in research pipelines
  • SPLAT — Compact format designed for web delivery, viewable directly in the browser
  • SPZ — Streaming-optimized format for progressive loading
  • KSPLAT — High-fidelity variant for detailed scenes and professional use

Where 3DGS Excels in Production

3DGS is not a replacement for all 3D workflows — it complements existing pipelines rather than replacing them. The most effective production use cases today include:

  • Asset capture and review — Quickly capture physical objects or locations and share interactive previews with stakeholders
  • Virtual production stages — Extend LED wall workflows with real-world geometry captured from location shoots
  • E-commerce and product visualization — Let customers inspect products interactively before purchase
  • Cultural heritage and museum digitization — Preserve and publish artifacts as explorable 3D experiences

Production Workflow: Capture to Delivery

A typical 3DGS production workflow has four stages: ingest, catalog, review, and publish. The ingest stage handles format conversion and quality checks. The catalog stage organizes assets with metadata so teams can search and filter. The review stage uses browser-based viewers for internal approvals and client feedback. The publish stage delivers final assets through embed codes, links, or API access.

Managing this workflow without a platform means scattering 3DGS files across local folders, email attachments, and one-off viewer links — which quickly becomes unmanageable at scale.

What's Next for 3DGS

The 3DGS research ecosystem is evolving rapidly. Current areas of active development include: real-time rendering at higher resolutions, better handling of dynamic scenes (4DGS), integration with physical simulation for interactive experiences, and compression techniques that reduce file sizes without sacrificing visual quality. PixelRaft is tracking these developments and incorporating production-relevant advances into our asset hosting platform and pipeline tools.

Ready to explore 3DGS for your workflow?

PixelRaft's Dasein platform provides browser-based hosting, review, and delivery for 3DGS assets across PLY, SPLAT, SPZ, and KSPLAT formats.

Explore Dasein →