抄録
In the design of the 21st century, it is important to consider the diversity of circumstance and sense of values and those timeaxis changes. However, it is thought that correspondence becomes difficult in the method used to design an existing artifact to which value declines as time passes. To solve it, the timeaxis design is advocated as a paradigm of a new design corresponding to the diversity of circumstance and sense of values and those timeaxis changes. This text is to be shown the concept of the timeaxis design corresponding to the timeaxis change of the artifact and circumstance, and to make a proposal of the timeaxis design model based on multispace design model, in addition to its application.