Three.js r180 / 0.180.0 is bundled in vendor/three/.
The MIT license is included at vendor/three/LICENSE.
Source files were obtained from the version-pinned official npm distribution on jsDelivr.
Source: https://github.com/mrdoob/three.js/tree/r180
License: MIT, Copyright (c) 2010-2025 three.js authors.

The architectural drawings and survey in references/ were supplied for this project.
The 3D geometry is a visual interpretation of those PDFs and does not claim survey or construction accuracy.