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The mean lines can be designed by alternative methods, which can be selected on panel Design mode.

Each method has its specific advantages and disadvantages. The choice depends, among other things, on the user experience. When switching from one method to another, the software tries to maintain the geometry as much as possible.

Currently available design modes:

•t, m Conformal mapping

•β Blade angle

•B' Blade loading

•z, T Peripheral projection

•Fixed