Three.js r180 / 0.180.0 is loaded from jsDelivr by default. It is not bundled here.
Source: https://github.com/mrdoob/three.js/tree/r180
License: MIT, Copyright (c) 2010-2025 three.js authors.
The optional vendor downloader fetches and preserves the upstream LICENSE.

User supplied model, drawings, catalogue samples and reference photographs:
provided for this project. No third-party asset ownership is claimed.
Do not treat these files as a separately licensed general-purpose asset library.