Two of the 3-D computer graphics scenes (the exterior of the Death Star shown during the mission briefing and the "trench" shown on the rebel fighter tactical displays) were created on a Data General PDP-11/45 microcomputer with a Vector General VG3D terminal. The PDP-11/45 would render one frame of the animation using a program written in the GRASS programming language, then display the image on the terminal, then trigger a movie camera to photograph the image on a single frame of film. This process was repeated with slightly different rotation, scaling, and perspective calculations, resulting in smooth animations. Each of the trench images required two minutes to render. The Death Star animation was shown on a rear-projection screen during the filming of the briefing scene. The original animations were unfortunately lost in time, forcing the makers of Rogue One: A Star Wars Story (2016) to re-create them frame by frame.

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