NX How to create an Angular Dimension in NX Drafting on drafting spline curve.

In NX Drafting the Angular Dimension command only allows the selection of linear curves and edges, not the drafting splines. The drafting splines can't be selected directly to create Angular Dimensions.

To create Angular Dimensions by using drafting splines, set the selection mode as "Vectors and Objects" in the Angular Dimension dialog box and select spline as an object and specify the vector direct by selecting spline to create angular dimension as required.

Refer to the below image for more information.

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