An optical modulator provides for precoding of a high data rate phase modulated optical signal. The adjustable light source has a flexible shaft that can adjust to illuminate the surrounding area as well as the area being reflected by the mirror. In the task trigger area, software buttons operated by the user for actually operating the image forming apparatus are displayed. The component parts are assembled and a plurality of template texture overlays are printed, which correspond to the desired surface textures and colors of the component parts forming the model.