Metal Ceiling Design with lighting

Corona 6 version

The model uses materials that are available only from version 6

Turn off the ceiling lighting through the Multi/Sub-Object Material 4th channel, set Self-Illumination to 0.

Dimensions: 10 m. 5 m.

Reference link: https://www.archdaily.com/965036/three-stages-for-air-pencil-office

Good luck!