1. A three-dimensional model processing apparatus comprising: display means for three-dimensionally displaying object to be edited; an object tool in which movement and orientation change can be made; an editing tool in which relative distance with respect to the object tool can be changed; and processing means for detecting relative position between the object tool and the editing tool to execute processing set in correspondence with the editing tool on the basis of the detected relative position information to change attribute information of the object to be edited displayed on the display means.