Draw the outline of the letters with a ruler and pencil first. Pencil draws a shadow on the shadow part of the figure next to the edge of the bottom figure (if the shadow is far away from the figure, it will feel suspended). Wipe the shadow with a cotton swab or toilet paper, and the overall expression is stronger. Finally, choose the right position to cut off the excess paper.
The so-called three-dimensional is to use special optical materials (commonly known as grating materials) to show a vivid three-dimensional world and incredible three-dimensional effect on the plane. It breaks the invariability of traditional plane images and brings people a brand-new visual experience, which is unforgettable. The hand feels flat, the eyes look three-dimensional, the foreground is outstanding, the background is deep, and the scenery is realistic. Various types of images can produce stereoscopic effects.