Irregular wave line design

  1. You can create custom polygon tiling, and the detailed reference steps are shown in the screenshots below:

    Left-click on Custom – go to Tiling, and double-click on the floor.

     
  2. Right-click to Draw Area – Select Polygon and draw the desired shape. After drawing, right-click to exit.

             
  3. Right-click on the line and convert it into an area.

  4. Click on the area and select the right border.