Rice is from the nature. The eating culture which is most important in human life has been changed as the civilization develops, but still it is relied on the nature absolutely. The technology does not make the realistic change in food culture. Only, it relieves the trouble in the course of the managing the food culture. The subject (Rice) contained in the digital device is the product of nature even though the modern tool for rice cooking has been digitalized. The mainness and submainness were expressed distinctively in TOPS design for the food culture. Entire mass expressed shape of rice by providing the curved surface of not artificial through the rice cooker mechanism understanding and the independent circular interface of metal trim means the technology which makes the convenient food culture behavior of human virtually. Rice Cooker
