Extruding Surfaces

You can create a surface by extruding a curve of any type.

Before you begin: Open a 3D shape containing a curve to extrude.
  1. From the Creation section of the action bar, click Extrude Surface .
  2. In the Elements box, select the curve from which you want to extrude a surface.

    Note: When the selected curve is not a 3D NUPBS (Non Uniform Polynomial B-Spline) curve, the Cv text is displayed. Right-click Cv and select Edit to access the Converter Wizard allowing you to control the curve (order and segment number) on which the new surface is based.

    A handle is displayed on the curve, oriented according to your selection in the Direction area.
  3. Change the extrude direction.
    • Normal to the curve : Extrudes in the direction orthogonal to the curve plane.
    • Robot direction : Extrudes in the direction orthogonal to the plane of the Robot base.
  4. Define the extrusion length.
  5. Click Display Corners to display the handles at the extremities of the extrusion curve.
  6. Optional: In the App Options panel, click Furtive Display to visualize the initial curve control points as you are extruding.
  7. To extrude the surface in the chosen direction, do one of the following:
    • Drag the handle.
      Note: To extrude symmetrically about the selected curve, press Ctrl while dragging the handle.
    • Right-click the handle, select Edit and enter values for Relative Position and Step.
  8. To keep a point, right-click the handle and select Keep this point.
  9. Click OK.