stand alone spool holder

I could not for the life of me find this style of spool holder that was sturdy enough and had low friction, i have a broken spool of abs where the flange size fluctuates so i designed this to alleviate the stress on my extruder.

The low profile requires the use of a spool centering device i use:
https://www.thingiverse.com/thing:2422558

I didn't have threaded rod available so i used the following link for the hardware.
https://www.thingiverse.com/thing:193647