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You can specify frame translation using different methods. These include Cartesian, standard axis, and cylindrical. The different methods are available through the Rigid Transform block. The choice of method depends on the model. Select the method that is most convenient for the application.
Translation is a relative quantity. The translation of one frame is meaningful only with respect to another frame. As such, the Rigid Transform block requires two frames to specify a translation: base and follower. The transformation operates on the base frame. For example, a translation along the +Z axis places the follower frame along the +Z axis from the base frame. Reversing frame ports is allowed, but the transformation is reversed: the base frame is now placed along the +Z axis from the follower frame.