Topic when it superposes with the lenticular glass lens, it hides and the letter picture is easy to see, at the same time removes the lenticular glass lens, it hides and it is recognized there are no times when, it hides the letter picture and offers letter picture revelation tool.SolutionsThe background section 20 where lenticular glass lens 11, one side of the sheet component and the said sheet component which possess permeability distribution facilities is done in the surface part, the multiple which is lined up in the crosswise from the semicircle pilaster convex lens is formed long and narrow, hides and as for letter picture section 13, as it is formed the parallel slit component 18,19 which possesses the width size which is identical with the above-mentioned convex lens multiple by the stripes which are lined up, as for the above-mentioned parallel slit component first color 16 and description above first consists of identical systematic color, with color colors alternately by with the second color 17 whose description above first chroma is smaller than colorAs, it is drawn on the above-mentioned background section, it is formed the parallel slit component of the width size which is identical with the above-mentioned background section multiple by the stripes which are laid out, each parallel slit component in order to become layout of the color which differs from the above-mentioned background section, makes the configuration which with the letter picture section 21 which with the above-mentioned first color and the above-mentioned second color colors alternately has. Choice figure Drawing 2
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