3D
What is a USD file?
USD describes scenes assembled from multiple assets with layers, references, and variants. USDA, USDC, and USDZ differ in representation or packaging; application support must be checked.
.usd · .usda · .usdc · .usdzLayered 3D scene description
When to choose this format
- Combining referenced assets and variants across a 3D production team
When to avoid this format
- Exchanging only one simple static mesh with minimal setup
Common uses
- Large 3D production pipelines
Features
- Layers and references compose a scene without rewriting source assets
- USDA, USDC and USDZ use different representations or packaging
Advantages and disadvantages
Advantages
- Non-destructive scene overrides support collaborative revision
Disadvantages
- A missing dependency can change the assembled result
Open and convert
How to open
Open in a USD-capable DCC tool or viewer and inspect layers, assets, materials, and animation.
How to convert
When converting to glTF or FBX, check scene composition, variants, materials, and animation.
Cautions
- Resolve asset paths and test materials, variants and animation in the destination tool
FAQ
What is USDZ?
USDZ is a package for USD-related assets; confirm the target application's supported features.