2, in fact, the use of pen strokes is not absolute, the strokes written in the center are full, and then the thickness of both sides of the strokes is consistent, which is more powerful. Writing regular script should be based on the central stroke, but other strokes can also be added. But it is mainly the center, because the regular script strokes are straight and should have bones and flesh.
When turning, the movement of the wrist is certain, because the direction of the pen needs to be changed. Personally, I feel that my fingers are moving, at least when I write, so I need to adjust my brush strokes.
3. Take Yan Ti as an example
Yan Tiheng's writing method is to go back to the front first, then press the pen, and then slightly raise the pen. At this time, the nib is still facing left, so pay attention to this formula, because the nib is facing right and the direction of the nib is facing left. If the pen tip is up, it is the side tip. When you lift the pen, your fingers turn slightly, when you look down, you turn counterclockwise, and the pen tip faces left. Then, when you write to the right, pause again.
If it is folded horizontally, the horizontal direction is the same. At the turning point, you should pause first, and then turn your finger slightly as before, also counterclockwise from top to bottom, so that the pen tip is up and the pen is down.
If there is a hook, pick up the pen first after the thread reaches the bottom. At this time, because you have a pen, as long as your pen is vertical, the nib will naturally be in the middle without finger adjustment. Write a little bit in the opposite direction to the "folding" direction and tick it out. Be sure to keep the pen vertical.
I wonder if this description is clear.
But I don't think everyone's writing style is exactly the same, and we can't know how calligraphers at that time wrote this book. There are some recognized methods, but we must follow the rules first, and the most important thing is to experience it ourselves. If you want to post, as long as you can write the words you like. If you are a beginner, try to be similar, and try to be similar after learning a certain degree. I should have my own experience later, including writing and writing.
I've been studying for years, my own opinion.