JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. To Insert a Node Point in a B-spline Curve Select the Edit Nodes tool ( Modeling > Curves > Modify Curves ). Select the Insert Node Points icon. Select the B-spline curve. Graphics display the proposed node on the curve. Its position is controlled by the pointer. Enter a data point to place the node. Inserting a Node Point in a B-Spline Curve Parent topic: Edit Nodes