Small transparency, not a big touch, is to find some pictures about perspective from the internet, and I am very satisfied with QWQ. Of course, if the proportion is well grasped, the head will be flatter as it goes up, because it is impossible to draw without paper. Looking up by feeling, it will be from big to small. It should be noted that when you look down, your shoulders are wider than your head. Compared with head-up,