PBR maps from ambientCG, CC0 1.0 Universal public-domain dedication:
https://creativecommons.org/publicdomain/zero/1.0/

concrete_*: Concrete033 https://ambientcg.com/a/Concrete033
plaster_*: PaintedPlaster017 https://ambientcg.com/a/PaintedPlaster017
worktop_* (dark walnut optional): Wood051 https://ambientcg.com/a/Wood051
lightwood_* (worktop main): Wood096 https://ambientcg.com/a/Wood096
plywood_* (laminated board edges): Wood089 https://ambientcg.com/a/Wood089
steel_*: Metal032 https://ambientcg.com/a/Metal032

Maps: original 1K JPG Color/NormalGL/Roughness/AmbientOcclusion where available.

HDRI from Poly Haven: studio_small_09, CC0.
https://polyhaven.com/a/studio_small_09
https://polyhaven.com/license
Downloaded 1K Radiance HDR, unmodified.

Kloofendal 48d Partly Cloudy (Pure Sky), 1K HDR
Greg Zaal (original), Jarod Guest (sky edits) · Poly Haven · CC0 1.0
https://polyhaven.com/a/kloofendal_48d_partly_cloudy_puresky
https://polyhaven.com/license