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3D print on polygraphic machines

Many images contain 3D data: oil painting with relief brushstrokes, art bas-reliefs and etc. You can store such images in 3D file, but you can not print it with existing polygraphic processes. From the other hand, with regular 3D printers you can reproduce surfaces of any form and complexity, but color possibilities are too weak. In such systems, the color is reproduced only by mixing main composite and the color admixture. So the color gamut is too narrow.