Free modeling ceilings

Hello, Free Modeling cannot directly create custom ceilings and walls, and it is currently incompatible with such features. However, you can still create a simple suspended ceiling. Taking a quadrilateral suspended ceiling as an example, the steps are as follows:

Draw the required rectangular size and click extend.

On the extended rectangle, draw another rectangle, extend it upwards to create a concave shape, then click on the rectangle and select scale. The quadrilateral suspended ceiling is now complete.