There are two different methods of defining the alignment using the Interactive Alignment tool. 3-2-1 Alignment allows for the least possible amount of data to be used to fully define the six degrees of freedom. As the name suggests, it uses three points for a plane, two points for a vector, and a single point. X-Y-Z Alignment allows the user to select a wider range of reference geometry to define the three axes and the origin point, and this is usually recommended for newer users.

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