In exploring existing models, I became interested in passively interactive furniture. These pieces are not made interactive through mechanical or electronic systems, rather they are responsive through physical form. In some cases they are not interactive and are only objects of interest.
Universal toilet by Changduk Kim and Youngki Hong reconsiders the accessibility of disabled toilet. The unit does not require the user to twist or turn in order to move from wheel chair to toilet. The full text can be found here.