Basic Spool Holder Center for 8mm Shaft

This is a very basic 8mm shaft spool center. I use it on my Anet A8 with the spool holder that Mightynozzle designed (This https://www.thingiverse.com/thing:2162266 is his holder).

This is just a basic center so it has no bearing. I have found that a bit of light grease goes a long way in preventing the PLA from being destroyed by the 8mm threaded rod I use for my spool holder. I recommend that you do the same, or use 8mm smooth rod, or both!

The two that I am using were printed at 0.3mm l