PROBLEM TO BE SOLVED: To provide a decorative sheet suitable for a face on which it is bonded. SOLUTION: A server 2 takes in dimension and shape information of a wall face on which wall paper is bonded from a terminal unit 3 in accordance with a wall paper layout program recorded in a recording medium incorporated in the server to set conditions used in layout. It reads a pattern from a recording device 4 and applies it to a figure of a wall face displayed in a display unit of the terminal unit 3 to assist in determining pattern. Layout of the wall paper on the figure of the wall face is done. Dimension and shape of each wall paper for which layout is done are obtained, and furthermore, a corresponding part of the determined pattern is arranged on each wall paper. Moreover, display of the information on a position where each wall paper is bonded based on the wall face layout and display of an index for positioning in bonding work of each wall paper are added to each wall paper. Layout of each wall paper on a wall paper sheet is done, data for printing wall paper is generated, and wall paper is printed by a printer for wall paper 1.
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