Duet Wifi 2020 Case / Mount

Simple case for a Duet Wifi onto 2020 extrusion.
Case will fit a 40x40mm fan. Half the air is ducted under the board and half over. I have mine set to turn on at 38C to 30% and if the drivers report temp warning.
Case has provisions for zipties to hold the wires.

First
Mount the duet inside the case with 4x M4x5 or M4x8

Second
Mount the fan
Fan mounts with M4 screws long enough to go through the fan. You should not need nuts to hold to fan in place as they should thread into the ca