(revised 9/2018) Cooler for FT-5 and 713maker.com Ultralight Aero extruder mount

(note! The stl for the "frame" (or cage) part has been updated to fix a reported problem with fitting at the top between the Ultralight mount's screws and the motor. With the revised "Frame.stl", no sanding should be needed now.) :)

(Another note! Sept 2018: I redesigned the "Duct and fan mount for..." parts from scratch. Some people were having trouble getting their slicers to accept the old versions and the files were pretty messy anyway. The new ones are a little easier to print and