a method of making a sample in a form of an outline drawing sheet , comprises the steps of preparing a plastic sheet 1 used for a base member , a screen for screen - printing , having a screen mesh 5 corresponding to a border line 2 a for an outline drawing sheet , and a squeegee ; placing printing ink 6 on the screen with the screen closely contacted to the plastic sheet ; squeezing out the printing ink 6 through the screen mesh 5 by using the squeegee 7 to print a frame 2 constituting the border line for the outline drawing sheet 1 , on the plastic sheet ; applying paint 14 having a desired color on the plastic sheet 1 at an inside of the frame 2 after the frame 2 has been cured , to thereby form a colored portion 15 ; and stripping the frame 2 and the colored portion 15 integrated with the frame 2 , from the plastic sheet 1 .