Graduate School of Human and Environmental Studies, Kyoto University, Kyoto 606, Japan
(Received February 12, 1994; Accepted June 1, 1994)
Keywords: Four-Dimensional Space, Four-Dimensional Object, Projection
Abstract. A geometrical technique for visualization of some 4-dimensional (4D) objects are shown according to extension of their 3-dimensional (M) analogues. The shown sample objects are a folding 4D paper, a rolling 4D die, faces of 4D persons, and a flowering 4D hydrangea.