expression.IncrementRotationX(Increment)
expression Required. An expression that returns a ThreeDFormat object.
Increment Required Single. Specifies how much (in degrees) the rotation of the shape around the x-axis is to be changed. Can be a value from –90 through 90. A positive value tilts the shape up; a negative value tilts it down.
Remarks
You cannot adjust the rotation around the x-axis of the specified shape past the upper or lower limit for the RotationX property (90 degrees to –90 degrees). For example, if the RotationX property is initially set to 80 and you specify 40 for the Increment argument, the resulting rotation will be 90 (the upper limit for the RotationX property) instead of 120.
To change the rotation of a shape around the y-axis, use the IncrementRotationY method. To change the rotation around the z-axis, use the IncrementRotation method.
Example
This example tilts the first shape on the active document up 10 degrees. The first shape must be an extruded shape for you to see the effect of this code.
ActiveDocument.Shapes(1).ThreeD.IncrementRotationX 10