CNC Fan Mount for laser engraving ( 1610 / 3018 / 2418 )

Using Tinkercad I designed this thing to connect an 80mm fan to my 3018 CNC so I can evacuate the smoke from laser engraving up 3" flexible ducting I purchased at Home Depot to the ceiling exhaust fan in my man-cave (or you could just as easily stick the exhaust end out a window). This allows me to engrave wood right at my desk with no smell or smoke issues.
I believe the X/Z carriage is the same for the 1610/2418 and possibly other cheap Chinese CNC machines as it is for my 3018 so it should