Prismirr is the final system from the prism data-entry example. It can be used to check your results. This system is the final result of the right-angle prism example . It shows the use of total internal reflection surfaces, the ben command, and hatched reflectors. For the solid-model drawing below, the lens drawing operating conditions were changed from their default values. In particular, the vertical view angle was changed to 10 degrees, the Apertures were changed to Meridional, and the spokes were changed to 6. Note that mirror hatching is not applied in solid-model views.