What is the format of vertical writing of seven-character ancient poems?

The writing format of hard pen calligraphy seven-character ancient poems is as follows:

Characteristics of hard pen calligraphy:

First, because the material of the hard pen tip is relatively hard, its line change is not as big as that of the soft pen-the writing brush changes greatly.

Second, because the commonly used hard pen is mainly a pen, the lines are much thinner than the brush, so the font is much smaller, even smaller than the fine print of the brush.

Thirdly, due to the material of the pen, the hard pen is easier to control than the brush.

Based on running script, some cursive writing methods are used for reference to meet the needs of daily work, study and life. Pen-based, practical hard pen calligraphy, mainly emphasizing practicality, but more emphasizing artistry.

Practical hard-pen calligraphy can be written easily and recognized easily. The key is to write quickly and regularly. Running script is easy to write and can be written quickly, and the standard running script is easy to identify. Therefore, practical hard-pen calligraphy is mainly based on running script.