PLY Polygon File Format MIME Type
model/x-ply represents, how to open it, and how Poly supports this 3D format. MIME type details for model/x-ply
In active use| MIME type | model/x-ply |
|---|---|
| Extensions | .ply |
| First standardized | 1990s |
| Created by | Stanford graphics research |
| Browser support | |
| Example applications | MeshLab, CloudCompare |
| Poly support | Yes. Poly recognizes valid PLY Polygon File Format files and makes supported geometry available in the file experience. |
| Indexed by Poly | Yes. Poly indexes filenames and creates visual similarity information for supported 3D content; available metadata is shown in details. |
| Preview in Poly | Yes. Poly previews supported PLY Polygon File Format geometry. |
| Poly agent | Yes. An optimized rendition of the 3D object or scene is provided to the agent, allowing compact yet information-rich multimodal interaction with 3D files. |
What does model/x-ply represent?
The model/x-ply media type identifies ply polygon file format files, normally stored as .ply. PLY is a flexible polygon and point-cloud format. Its header declares elements such as vertices and faces and their properties, which can include coordinates, normals, color, and application-specific values. The header also declares whether the body is ASCII or binary.1
Opening and converting the format
MeshLab and CloudCompare can inspect or import this format. Export to GLB when you need a compact scene package. Choose 3MF for additive manufacturing metadata, or use a dedicated slicer for STL preparation.
Support in Poly
Poly previews supported geometry, makes filenames searchable, and provides visual similarity for supported 3D content. Available mesh and scene metadata can appear in details. An optimized rendition of the 3D object or scene is provided to the agent, allowing compact yet information-rich multimodal interaction with 3D files.
| Construct | Handling |
|---|---|
| Geometry | Vertices, faces, and point-cloud data |
| Attributes | Declared per-element properties such as color or normals |
| Scene features | PLY does not define a general scene, camera, light, or animation system |
Poly's rendition supports inspection and multimodal understanding; retain the original when editing or validating exact topology.
Format context and alternatives
PLY was developed at Stanford for graphics research and scanning workflows. Its explicit property list makes it useful for point clouds and datasets where a fixed mesh schema would be too restrictive. 1 Choose glTF or GLB for interactive scene delivery, 3MF for manufacturing packages, and use this format when its geometry or point-cloud representation fits the task.
Footnotes
- Library of Congress. PLY file format. ↩ ↩2