sofa.glb
GlamVelvetSofa by Eric Chadwick, ©2021 Wayfair, LLC, CC BY 4.0. Source: KhronosGroup/glTF-Sample-Assets. Modified to remove the embedded key light; geometry, materials and image bytes unchanged.
https://github.com/KhronosGroup/glTF-Sample-Assets/tree/main/Models/GlamVelvetSofa
https://creativecommons.org/licenses/by/4.0/

coffee-table.glb
modern_coffee_table_01 — Poly Haven contributors, CC0 1.0
https://polyhaven.com/a/modern_coffee_table_01
https://polyhaven.com/license

plant.glb
potted_plant_02 — Poly Haven contributors, CC0 1.0
https://polyhaven.com/a/potted_plant_02
https://polyhaven.com/license

Window photo: forest_slope by Andreas Mischok, Poly Haven, CC0 1.0.
https://polyhaven.com/a/forest_slope
Photographic equirectangular source resampled/projected to a small LDR window view; no generated image content.