My W. E Navigator Anti Reflected

And now a simple simple Instructable : the construction of a barrier anti reflected in order to render the vision of the screen of the navigator more comfortable especially in the sunnier hours more of the day.

This is the outline of cut for my navigator but everyone will create own tracing its measures and requirements.
The use material is plastic alveolar but cardboard or other similar material can go well also.

Naturally the switch and the taken power supply must be free!

Yes ,it is a simple work,but I think am a not useless idea.
What of think?