Wanhao Duplicator i3 Plus MK2 rear attached Cooler (with Proximity Switch)

I have been searching high and low for Fan Duct that does not obstruct the front view. Could not find one, hence I designed one.

It is for the Wanhao Duplicator i3 V2.1. The model has the proximity sensor and therefore the bracket for the fan is offset to the one side.

I have included the following photos:
- Photo of the box where the printer came in. (so you can be sure you have the correct model)
-Pics of the fan duct on the green mat.
(Please note this is my test piece and not