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glTF 2.0 at a glance
glTF 2.0
3D asset delivery for web, AR/VR, and game engines; cross-platform 3D content pipelines requiring efficient streaming and broad toolchain support.
PLY at a glance
PLY
Convert to PLY when handling scanned meshes, point clouds, or geometry with per-vertex properties such as color or normals that should remain explicit.
It is a good target for research, reconstruction, and technical asset exchange.
For broader DCC and runtime pipelines, OBJ or GLB may be more convenient.
Format comparison
| Feature | glTF 2.0 | PLY |
|---|---|---|
| File type | Cad | Cad |
| Extensions |
|
|
| MIME type |
|
|
| Compression / quality | precise | precise |
| File size characteristics | depends | depends |
| Compatibility | limited | limited |
| Editability | high | high |
| Created year | 2017 | 1994 |
| Inventor | Khronos Group | Greg Turk / Stanford Graphics Laboratory |
| Status | active | active |
| Transparency | Not supported | Not supported |
| Animation | Supported | Not supported |
| Primary use cases |
|
|
| Common software |
|
|
| Archival suitability | moderate | moderate |
| Metadata handling | rich | rich |
| Delivery profile | limited | limited |
| Workflow fit | design | design |
| Layer support | Not supported | Not supported |
| Vector scaling | Supported | Supported |
| Structured data | Supported | Not supported |
When to use each format
When to use glTF 2.0
- design authoring
- review handoff
- manufacturing exchange
- Designed for efficient runtime loading rather than only archival exchange.
When to use PLY
- design authoring
- review handoff
- manufacturing exchange
- Good fit for mesh and property-rich geometry.
FAQs
Why convert glTF 2.0 to PLY?
Convert to PLY when handling scanned meshes, point clouds, or geometry with per-vertex properties such as color or normals that should remain explicit.
It is a good target for research, reconstruction, and technical asset exchange.
For broader DCC and runtime pipelines, OBJ or GLB may be more convenient.
What changes when converting glTF 2.0 to PLY?
This conversion changes how the format behaves in downstream tools and delivery environments.
Moving to PLY removes animation support. Moving to PLY removes structured data.
What should I review after converting glTF 2.0 to PLY?
Check the exported file for Not a rich full-scene format.; Less familiar to mainstream end users than OBJ or STL..