Wanhao Duplicator 9 D9 Carriage and print head

Developed in Tinkercad, Please feel free to use this to develop your own MegaBlower cooler add-ons...Message me if you want the parts broken down....
This is for the Wanhao Duplicator 9.
I haven't printed this off, I've just been using it as a guide to try to develop alternate cooling solutions.

Many thanks to two other thingverse 'things' for their bits, shown in yellow in the image below

1 - the blower part - https://www.thingiverse.com/thing:1975754
2 - the extruder bit - https://www