Why can't the second ceiling layer be displayed in 3D after drawing the second layer ?

  1. You can follow these steps:

    Go to the ceiling customization section, double left-click on the wall you want to design to enter the 2D design frame;

                 
  2. Click on the drawing – select the shape of the area you need to draw, and modify the height from the ceiling. If there are multiple areas in one space, draw them separately