The process of blind embossing involves pressing a heated die into the surface of a sheet of paperboard. This creates raised areas on the surface which give the impression of three dimensions. It’s similar to how a rubber stamp works, except that the embossed area dies are made out of metal rather than ink.
The embossing process involves pressing a die into the material's surface. This creates a raised pattern on the surface, giving the impression of depth. It’s used for printing on cardboard boxes.