Click "Customize-Customize Ceiling" and select the top surface to enter the ceiling customization interface.
You can add ceiling templates from "Ceiling", and add moldings in the"Molding" catalog. You can add light bands and light troughs in the "Light Band". You can select lamps and appliances in "Ceiling Appliance". You can find your collection of materials and used materials in "My" catalog.
"Save", "Undo", "Redo", "Molding Brush", "Measure", "Guide Lines", "Clear", and "View".
You can use the upper drawing tool to draw the ceiling and edit the ceiling shape. Then type in the thickness value for different shapes in the Extrusion input box.
After selecting an object, you can go to the property bar on the right to edit and modify the parameters.