From the process: the printing process generally similar, but more stringent requirements on accuracy are also higher. For example, the overlay must be accurate, to be more clear and restore network saturation, otherwise it will affect the clarity and three-dimensional image.

In effect: Compared with traditional flat, image new and unique, distinct, strong three-dimensional sense if people within reach, on the conception, appearance, effects, color, etc. are all different, in contrast to the sense of realism bring a strong visual impact.