Replacing the top face of the model with the surface

1. On the CommandManager, click Surfaces > Replace Face.

Now, you need to select the face to be replaced.

1. Select the top face of the model.

Next, you need to select the replacement face or surface.

1. Click in the Replacement Face(s) box on the PropertyManager and select the extruded surface.
2. Click OK to replace the top face with a surface.

1. Hide the extruded surface by clicking on it and selecting Hide.