To begin a bipack matte filming, the live action portion is shot. The release prints were made in Germany by Bipack colour printing process. Bipack color refers to the type of camera load that is used for the effect. Two black-and-white 35mm film negatives are threaded bipack in the camera. Early colour processes such as Prizmacolor, Multicolor, Cinecolor, and Trucolor all used bipack film.