Ceiling for a banquet hall 450 m2

In the archive there is only a ceiling with moldings and cornices.
Sweep modifier stacks are open.
At will, you can add or change at your request, including cornices and moldings.

There are no lamps in the scene, but there are light materials in places.

All profiles for the Sweep modifier are also available.

Optionally, it can be reduced to smaller quadratures, or vice versa!

There are 570 thousand polygons in the scene