(1) First, after the pen tip touches the paper, the pen is conveyed to the upper right with a certain inclination. It should be noted that the strength of this pen should not be too great and the length of the line should not be too long.
(2) Then draw with a pen to the lower right to form a sharp point and an edge line. Pay attention to the angle between the outside and the edge line formed by the first step when pressing the pen, and pay attention to the line of this step not to be too long.
(3) Then adjust the stroke to the left end of the first step line. Then press the pen with the center, write slightly to the right first, and then transition to the next step.
(4) After completing the above steps, the width of the vertical painting has been basically determined. At this time, it is necessary to maintain the power of pressing the pen and lift the pen down with the center, so that it can be done in one go.