The invention relates to a device for defining a general displacement sequence (TX) on a general model, which comprises: - a device (40) for obtaining the position (PR) of a reference element (45) moving on a surface;The reference element (45) is configured to implement an actual displacement sequence (TR)- A device (41) for recording the actual displacement sequence (TR); A device (14) for obtaining a three-dimensional (RE) representation of the surface; A method for adapting the general model into a three-dimensional (RE) representation of the surface;And - means (42) for defining a universal displacement sequence (TX) on the universal model by applying the adaptation between the universal model and a three-dimensional (RE) representation of the surface.Abstract figure: Figure 2
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