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Click Select Command on the vertical toolbar.
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Select Member Parts in the Locate Filter.
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Select the member part to modify.
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Using the Cardinal Point control on the ribbon bar, select a new cardinal point for the member part.
There are 15 cardinal positions available. The location of cardinal points 10 (center-of-gravity) and 15 (shear center) depend on the section shape. The local z-axis of the member and the center-of-gravity point of the section define cardinal points 11 and 14. The local y-axis of the member and the center-of-gravity point of the section define cardinal points 12 and 13.