Indentation refers to the process of changing the thickness of the sheet under the action of the mold, and embossing undulating patterns or characters on the surface of the workpiece, which is called indentation or embossing. See the sneakers in the picture below, the flowers and hearts above belong to the indentation pattern.
Various embossed graphics and patterns of embossing present different shades of patterns, with a clear sense of relief, which enhances the three-dimensional sense and artistic appeal of printed matter.
