PYO 3D Model — A .pyo file is a PYO 3D Model. It is a 3D model format used to store meshes, scenes and printing geometry.
Quick facts
What is .pyo
A .pyo file is a PYO 3D Model. It is a 3D model format used to store meshes, scenes and printing geometry.
In the mime-db registry it maps to model/vnd.pytha.pyox. When serving .pyo over HTTP, set the Content-Type header as shown in Developer info below.
Related entities: it maps to model/vnd.pytha.pyox — and is delivered over HTTP via the Content-Type header.
How to open .pyo files
Developer info
When served over HTTP, responses should set the following header:
Content-Type: model/vnd.pytha.pyox
Common software that reads/writes .pyo:
Relation chain
Related extensions
Related MIME types
Common uses
How to edit .pyo files
How to create .pyo files
Frequently asked questions
Common options include Blender, MeshLab, Autodesk Viewer. You can also open many of these files with built-in viewers or a browser.
Create a new file in any text editor or the app that owns the format and save it with the .pyo extension.
model/vnd.pytha.pyox is the media type identifier used for .pyo files during network transfer (for example in the HTTP Content-Type header).
Sources & standards
Updated 2026-08-18
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