Filament holder - 73+mm reel holder (part 3)

Having got a 3rd different centre-hole-sized filament reel this week, I decided to create a simple quick-change holder for my Lulzbot AO-101.

This part is the 73+mm reel holder. It slides over the 50+mm reel holder (part 2) and is a snug fit.

Links to the other sections here:
main bolt end: http://www.thingiverse.com/thing:172267
50+mm reel holder: http://www.thingiverse.com/thing:172269
31+mm reel holder: http://www.thingiverse.com/thing:172273

Printed on my Lulzbot AO-101 modif