Problem to be solved: to provide a pattern display device capable of easily customizing according to one's own preference and a picture printing system for printing a pattern used for a picture display display device.Solution: a pattern display device 10 for displaying a pattern, a pattern sheet 11 on which a pattern is printed, a sheet pedestal 12 for supporting a picture sheet, and a transparent protective cover 13 for protecting the pattern printing surface side of the pattern sheet A picture display 10 having a fixed plate 14 for fixing the seat pedestal 12.Diagram
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