3dqa Free-Use License (Source-Available, No Redistribution)
Copyright (c) 2026 3D Pipeline QA Engine. All rights reserved.

This license applies to the software distributed as the "3dqa" package
(the "Software"): the files `cli.py`, `geometry_linter.py`, `repair_engine.py`,
`qa_profiles.py`, `usd_loader.py`, and `env_boot.py`, and any compiled or
packaged form of them (including the PyPI wheel/sdist).

1. GRANT OF USE
   Subject to the terms below, the copyright holder grants any person who
   obtains the Software a worldwide, royalty-free, non-exclusive,
   non-transferable license to RUN and USE the Software, unmodified, for any
   purpose, including commercial purposes, without requiring an account,
   registration, license key, or network connection.

2. RESTRICTIONS
   Except as expressly permitted in Section 1, no permission is granted to:
     a. redistribute the Software, in whole or in part, verbatim or modified,
        in source or compiled form, to any third party;
     b. modify, adapt, translate, or create derivative works based on the
        Software;
     c. sublicense, rent, lease, or otherwise transfer any rights in the
        Software to a third party;
     d. remove or alter any copyright, trademark, or other proprietary notice
        contained in the Software.
   These restrictions apply regardless of whether the Software is obtained
   directly from the copyright holder or from a package index, mirror, or
   any other distribution channel.

3. OWNERSHIP
   The Software is licensed, not sold. The copyright holder retains all
   right, title, and interest in and to the Software, including all
   intellectual property rights therein.

4. NO WARRANTY
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE, AND NONINFRINGEMENT. IN NO EVENT SHALL
   THE COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES, OR OTHER LIABILITY,
   WHETHER IN AN ACTION OF CONTRACT, TORT, OR OTHERWISE, ARISING FROM, OUT OF,
   OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   SOFTWARE.

5. TERMINATION
   This license terminates automatically if you breach any of its terms.
   Upon termination you must cease all use of the Software and destroy all
   copies in your possession.

6. THIRD-PARTY DEPENDENCIES
   The Software depends on third-party libraries (e.g. numpy, trimesh, scipy,
   fast-simplification, xatlas) distributed under their own permissive
   licenses (BSD/MIT/Apache-2.0). This license does not apply to those
   dependencies; see each dependency's own license terms.
