Abstract
Cardboard is light and durable material. We think that it is possible to make light and durable structures by using cardboard.In this research,first of all,folding chairs were made of cardboard and then it examined how to make a structure utilizing the cardboard.Restriction was set not to use other materials in the production process.Therefore,with attention to the processing method of "folding",We devised how to fold a chair.As a result of the verification,it is successfully achieved that folding chair with only cardboard.