1. Press the left mouse button and drag the tile into the canvas - modify the tile height in the product attribute column on the right side of the interface, such as changing it to 400

2. Right-click to copy the tile and paste it

3. Click the top-left vertex of the tile with the left mouse button and move to adsorb the midpoint of the lower side of the tile above.

4. Select two tiles with the left mouse button and drag to frame them

5. Press the shortcut key F to cover the tiles fully