Depth Property Example

This example adds an oval to myDocument, and then specifies that the oval be extruded to a depth of 50 points and that the extrusion be purple.

Set myDocument = ActivePresentation.Slides(1)
Set myShape = myDocument.Shapes _
    .AddShape(msoShapeOval, 90, 90, 90, 40)
With myShape.ThreeD
    .Visible = True
    .Depth = 50
    'RGB value for purple
    .ExtrusionColor.RGB = RGB(255, 100, 255) 
End With