Furniture Design Trace of normal table by CHIHO,NAYOUNG,YAEYOON,HANNA Underneath the cup and tea pot, there are seal engravings. On the top of the table the thermo-paint is covered. When hot water is put into a cup, the temperature of the seal engraving rises. Seal engraving trace remains when people use a cup on the table. From the traces in our daily lives, one may feel that others exist in the same place without any conversation or contact and are communicating insincerely.