Human anatomical models are often used by medical students to master the human body's structure. Medical students can learn the position, size and shape of complex inner organs exactly by handling and examining the parts of a human anatomical model. The purpose of this study is to construct a virtual anatomical model using a screen in the shape of a human figure on which images of inner organs are represented by projection, and can be handled directly by the user's hand and examined. For this purpose, a method so called as "Duality Rendering" is introduced to compensate the distortion when the image is projected on the arbitrary surface. The nature of this free-form projection display is examined in terms of the relation between the sensor error and the remaining amount of image distortion for pragmatic use in the anatomy education.
