Cesium Man — © 2017 Cesium.
Source: https://github.com/KhronosGroup/glTF-Sample-Assets/tree/main/Models/CesiumMan
Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0): https://creativecommons.org/licenses/by/4.0/
The Cesium logo and associated trademarks are excluded from the Creative Commons license.
For the charcoal visitor adaptation, include: “Modified: replaced the original textured material with a plain charcoal material; original Cesium logo texture is not displayed.”

Victorian furnishings by Kirill Sannikov / Poly Haven, CC0. https://polyhaven.com/license

Marble textures: ambientCG Marble020, CC0. https://ambientcg.com/a/Marble020
Persian rug: AI-generated for iSamo World.

Marble bust carried over from the existing iSamo project assets.

Chandelier modification: original bulb geometry assigned a separate emissive material; no new bulb geometry added.


Supplied Sketchfab furniture — Creative Commons Attribution 4.0
https://creativecommons.org/licenses/by/4.0/
Victorian Lounge Sofa — Jamie McFarlane
https://sketchfab.com/3d-models/victorian-lounge-sofa-c7b7999b5c3d425bae23e74b669e97d6
victorian Cabinet — lagesnpiet
https://sketchfab.com/3d-models/victorian-cabinet-81291e282b854934a6f1b9f53a900f5f
Victorian Console Table — Zerostyle
https://sketchfab.com/3d-models/victorian-console-table-f94fde3014d748f0b35ca7283dd13866
Modifications: high-quality embedded WebP textures (up to original 4K color and 2K surface maps), normalized scale/origin and placement. Original mesh geometry retained.

Moonlit room additions:

Victorian Brass Oil Lamp — Tijerín Art Studio (https://sketchfab.com/tije.tijeras)
https://sketchfab.com/3d-models/victorian-brass-oil-lamp-c932f6165fef40029c3f18afe19b9934
CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/)

Victorian Curtain — GameDevMoot (https://sketchfab.com/GameDevMoot)
https://sketchfab.com/3d-models/victorian-curtain-3a7e18700d5c4033a67d1d143b3cf64c
CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/)

Fireplace — Mark Bai (https://sketchfab.com/bcfbox)
https://sketchfab.com/3d-models/fireplace-e9854400c0c1410db01c8db897ef5359
CC-BY-4.0 (http://creativecommons.org/licenses/by/4.0/)

Modifications: texture encoding, physical scaling, curtain fabric shading, fireplace flame animation and independently controlled table illumination.
Moonlit garden vista and black marble base-color texture generated for iSamo World.

Lobby wall lamp — Whostea (https://sketchfab.com/Whostea)
https://sketchfab.com/3d-models/wall-lamp-b3f2daa75da648aea435a24d22218cd4
CC-BY-4.0 https://creativecommons.org/licenses/by/4.0/
Modifications: high-quality WebP encoding, corrected orientation and scale, warm emissive shading, eight wall placements.

Phone texture variants: original furniture geometry and material channels retained; large upholstery/cabinet/mantel color maps up to 2K, smaller object color and normal maps up to 1K, scalar maps up to 512 px. Desktop source textures retained.