In advertising, home decoration, handicraft processing, packaging, digital shell and other industries, the scene of using UV printer has become commonplace. In any flat products, you can use UV printer to print exquisite patterns, but if I want a more three-dimensional effect, can UV printer achieve it? For the UV printer of "universal printer", of course, it can be realized! The artistic forms of color relief are diversified, which is an innovative process combining traditional carving technology and color painting technology. Relief is a kind of sculpture effect that shows concave convex feeling on the surface of objects. For products with UV printing relief effect, the picture has clearer layers, stronger three-dimensional feeling, smooth concave convex and smooth touch, delicate hand feeling, and the relief effect can highlight the highlights of products and increase the characteristics of products. Relief effect can not be realized by other types of printers, but can only be realized by UV printer.