표면# Introduction Visualization Conversion 툴바(Toolbar) Structure Control Points, Rows and Grid Weight Primitives NURBS Curve NURBS Circle NURBS Surface NURBS Cylinder NURBS Sphere NURBS Torus Selecting Select Menu Select Random Checker Deselect Select Linked Select Similar Select Control Point Row Select More/Less Editing Transform Panel Surface Control Points Segments 특성 Shape Active Spline