I. Problem-solving:

The facade cannot perform operations such as drawing areas, offsets, and placing edge trims on the area, etc.

II. Graphic and Text Operating Steps:

(1) Enter the ceiling custom and click on the wall/top surface

(2) Draw the area and set the drop parameters

(3) Click on the side of the protrusion layer, and double-click the side to enter the design canvas

(4) Functions such as area drawing, offset, and edge trims can be performed on the side.