Remixed Wanhao Duplicator Backplate and 80mm Fan Adapter

I remixed this to make it printable without supports. I also modified it so I could tap it for 3mm screws instead of using nuts to attach the pieces together and to mount the fan.

as JonBAL said in his original version, which is very good by the way, this provides a major upgrade in cooling the electronics box. It was quick and easy. I mounted my fan to pull air out of the enclosure but the choice is yours.

I printed my backplate with no top layers just because I liked the honeycomb infill