Definition: the use of convex template (Yang template) by pressure, the printed surface of the imprint into a three-dimensional relief-like pattern (print locally raised, so that a three-dimensional, resulting in visual impact.) Is called from the convex.
Features: increase the three-dimensional.
Scope: 200g or more for the paper, the mechanism being significantly high weight specialty paper.
Note: with gold foil, spot UV and other processes, the better.