Method 1: Ready-made Wave Line Creation:

In the 3D/Roaming mode, double left-click on the floor where you want to create the wave line, then click on the wave line icon in the top toolbar. Finally, click on the selected floor to display the wave line.

Method 2: Custom Tile Laying:

1.Click on "Customize" to enter the tile-laying mode.

2. Double-click on the floor with your mouse to enter the tiling interface

3、Click on the wave line - Select the number of layers of wave line you want to make, and left click on the white canvas area to draw