Development of user-friendly contents is an important key to
make the system popular to ordinary people [2]. In terms of
3D contents, tons of applications have been developed, however,
only games made a success and few other applications
are known. Recently, the framework of an interactive 3D animation
was proposed [1]. It uses a state transition graph to
represent the transition of a 3D object as a 3D animation such
as ”raise a hand”, ”open a tab,” etc