Insert isoparms
From TOI-Pedia
Edit NURBS > Insert Isoparms: Just like curves it's possible to refine a surface by adding vertices. In the case of a surface we add isoparms which in their turn are defined by the vertices. Adding an isoparm will increase the vertices of the surface. If after generation of a surface, the surface locally has to be adjusted and more vertices are needed to support the transformation, inserting a new isoparm can be enough to enable the desired transformation.
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