Wei Jen industry   

        a, stereoscopic printing principle of
        three-dimensional printing must pat two negatives, double lens stereo camera rather than the human eye stereoscopic photography, Tan were equivalent to the left and right eye see the image of the plate. Printing and then according to certain angle stagger. In order to see the image, must add a thin convex transparent plastic sheet in print, referred to as the column lens, the cylindrical lens is the key, the concave convex interval is 0.6mm. Concave convex surface of the image distance divided into numerous pixels, there are 120 /in convex line, there are 6 pixels on each line. These pixels staggered a certain distance in the overlapped image plane respectively

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