1. First open a drawing with a good axis network, and then click the foundation stairs in the toolbar on the left, so that farmers can click the layout foundation. In the pop-up window, first set the marking position, marking method and numbering method of the foundation and the numbering of the foundation.

2. Secondly, set the side length of the foundation, and set the eccentricity if necessary. Click OK to complete the setup and enter the drawing.

3. Finally, in the drawing space, click the position where the grid needs to draw the foundation, click the left key to draw the foundation, and then click to complete the drawing of the mortar tank in the site layout.