a article having a micro - sized shape being formed on the surface of the article by pressing a die onto the surface , wherein the elastic modulus of the article at room temperature is in the range of 1 - 4 gpa , the thickness of the article after forming is equal to 0 . 1 mm or more and 20 mm or less and the aspect ratio of the micro - sized shape is equal to 1 or more . a forming method to produce an article comprising the steps of setting the temperature of a die having a micro sized shape to be equal or higher than the glass transitional temperature of material having an elastic modulus of 1 to 4 pressing the die to the material to transfer the micro sized shape to the material , and cooling the die having the micro sized shape .