stand alone spool holder industrial look

This is my first thing to publish, hope everyone likes it!

Its just a simple spool holder with an industrial look.
It is meant to be joined with threaded rod 5/16 or 8mm.
The centering cone is set for a 5/16 nut and rod. I did not use 8mm for my set up so i did not edit the cone for it.
I have also included an adapter of sorts. It fits into the nut hole on the centering cone and provides a 608 bearing holder instead. I ended up making this as i had already printed a handful of the cones