Modeling > NURBS Modeling > Editing NURBS > Edit NURBS curves and surfaces > 

Insert additional edit points/isoparms in a curve or surface to add more CVs

 
 
 
To... Do this

Insert an edit point in a curve to add more CVs.

Select the curve point at which you want to insert the edit point and choose Edit Curves > Insert Knot.

Insert an isoparm in a surface to add more CVs.

Select the isoparm at which you want to insert a new patch isoparm and choose Edit NURBS > Insert Isoparms.

You can select multiple isoparms to insert at once.

When the Keep Original option is on in the option box (Edit Curves > Insert Knot > or Edit NURBS > Insert Isoparms > ) you can select the Show Manipulator tool to reposition the new edit point or isoparm after you insert it.

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