.usdz QA Fixtures Modern Media & Spatial 3D CC0 Public Domain · CI/CD Safe

Sample .usdz (USDZ) Test Files & Edge Cases

Deterministic USDZ Spatial 3D Archive (Pixar / Apple VisionOS) fixtures engineered for automated unit tests, parser fuzzing, and upload validation pipelines. Pull directly in GitHub Actions with immutable SHA-256 verification.

minimalexpect: valid

minimal-64b-aligned.usdz

Apple VisionOS / QuickLook compliant uncompressed ZIP with 64-byte mmap alignment and `PXR-USDC` Crate root layer.

↓ Download (206 B)

SHA-256: 84ed4c279742f4c9aa8557034806427c40d29fb91d3415def454b5371035f3bf

Exact: 206 bytes

curl -fsSL https://fileformat.co/fixtures/v1/usdz/minimal-64b-aligned.usdz -o minimal-64b-aligned.usdz \
  && echo "84ed4c279742f4c9aa8557034806427c40d29fb91d3415def454b5371035f3bf  minimal-64b-aligned.usdz" | shasum -a 256 -c

realisticexpect: valid

spatial-stage-textured.usdz

64-byte aligned USDZ archive bundling both a `PXR-USDC` binary stage and an uncompressed RGBA PNG texture.

↓ Download (483 B)

SHA-256: 30477e3f8aaf315b7f84c5950a266a44d86d615dd8ad087d49825eb2b6a35f1e

Exact: 483 bytes

curl -fsSL https://fileformat.co/fixtures/v1/usdz/spatial-stage-textured.usdz -o spatial-stage-textured.usdz \
  && echo "30477e3f8aaf315b7f84c5950a266a44d86d615dd8ad087d49825eb2b6a35f1e  spatial-stage-textured.usdz" | shasum -a 256 -c

edge-case64-Byte Alignment Violationexpect: parser_error

unaligned-violation.usdz

Valid ZIP containing `scene.usdc`, but entry data starts at non-64B-aligned offset—catches subtle USDZ packager bugs.

↓ Download (182 B)

SHA-256: 1b5d09db530a3b47b91227c552a243fc0a0debb7e2e757ad2d6988a07e86cdae

Exact: 182 bytes

curl -fsSL https://fileformat.co/fixtures/v1/usdz/unaligned-violation.usdz -o unaligned-violation.usdz \
  && echo "1b5d09db530a3b47b91227c552a243fc0a0debb7e2e757ad2d6988a07e86cdae  unaligned-violation.usdz" | shasum -a 256 -c

Safe-by-Design Client-Side Synthesizer

In-Browser Edge-Case & Malformed Fixture Mutator

Zero Upload · Generated in RAM

Need negative test fixtures for parser fuzzing or upload gateway validation? Mutate minimal-64b-aligned.usdz directly in your browser without hosting unsafe payloads on public URLs.

1. Base Input Source

Default Fixture: minimal-64b-aligned.usdz

2. Select Mutation Operator

Tests graceful EOF / footer corruption handling without process panic or OOM.