Stick figure is to simplify complex objects and grasp the main characteristics of objects, so it exercises people's observation ability and hands-on ability. Now the school requires teachers to maintain a good image. I vaguely remember that when I was from primary school to middle school, it seemed that teachers in every subject would draw a few strokes when writing on the blackboard in the black class. It turned out to be "skills".
Recommend this book that can solve most of your stick figure problems:
Le Fei Bird draws a happy stick figure in 1 minute.
Type the manuscript directly with a pencil, and then stroke it with a stylus. The key to drawing a stick figure is to practice more and the lines should be smooth. I used to start completely with Xiaobai, but now it's much easier. Po, look at the doll I painted recently.