In this zone one selects, in the graphic part of the assembly, a vertex which will be taken into account for the calculation and the creation of the requested curve, the splines are positioned at the head of the creation tree. Several vertices can be selected in order to generate as many curves as necessary.

To delete a vertex, just select it and press the '' keyDelete'' on the keyboard. You can also right-click in the area and choose to delete all vertices or only the selected vertex.

Curve obtained with the selection 1 vertex :