QUBD One/Two Up 90 Deg Fan Mount

Use the fan shroud from here:
http://www.thingiverse.com/thing:359679
Once printed, make a cut in the plastic to slide it onto the stepper motor. Install with tabs on the side away from the gantry (the tabs are off center). I recommend hot gluing it to the stepper motor and gluing the mount to the fan shroud to keep it in place.