This is the work that come from the research about the material nature of the wood. It is the structure that is the most difficult and the most important part of the original wood work. The core part of the structure is the relation in which the wood and the wood connect. Finger joint chair and 1/4 chair is the result of the research about whether this part of the structure has the beauty newly and shapely.

1/4 chair is processed as the project to make originally light chair. It is the work to make structually the solidness as minimizing the weight and the volume of the legs part to be the strongest. This ways is consisted of the ways like the structure of pillar of korea wooden building.