| 摘要 |
Three-dimensional decor for flat transparent materials wherein face of such transparent materials is provided with an optical screen (1) consisting of cylindrical lenses whose focus points lie in the plane of the reverse side of the material applied which reverse side is printed with a reverse side screen (2) whose height dimensions are identical to those of the desired three-dimensional pattern (3) while the width of these elements is reduced to 95 % to 105 % of the spacing between the individual elements of the optical screen (1). |
