QUBD OneUp Offset Fan Bracket

I was helping out a friend who has a QUBD OneUp with some assembly issues so I started tinkering.

At one point I found I needed a fan bracket that would hold the stock fan, a duct and also provide a convenient place to mount the [Open Cable Chain](http://www.thingiverse.com/thing:611593). I also had started using the [Accessible/Viewable/Cleanable Extruder](http://www.thingiverse.com/thing:728158) which offsets the hotend from the NEMA motor. I was also intrigued by the [Fan duct on/off valve](http://www.thingiverse.com/thing:973838) and found that with some trimming it provided more focused cooling than just hanging the fan out there.

The bracket has a cutout for the wires for the extruder motor to be routed out the bottom which gathers nicely with the fan and hotend wiring to be sent through the cable chain. All parts printed out of ABS on a Rostock Max V2.

The only caveat I have found so far is the ducting hangs pretty low so clearances with the bed mounting and printer fr