SELF CENTERING Filament Spool Holder modular/multiple spools

This is a remix of https://www.thingiverse.com/Jfruits design: https://www.thingiverse.com/thing:4752903

I really liked the self-centering design of Jfruits and used their original spacer designs. For the roller frames/stands, I wanted to change up the roller bases to raise the height of the roller assembly for air flow, and wanted to be able to connect 3-4 rollers together for a dry-box build.

I have created 3 new parts to be used modular as needed:

-filament roller.stl (x2) should be printed for a single filament roller or for the ends of a "rail" of connected rollers.

-filament roller Male.stl* & filament roller female.stl* can be printed to add connected rollers into a single "rail".

each roller will require 2 8mm x 120mm Bolts (or 5/16" by 4 1/2"), two self locking (Lock) nuts to fit it and 4 Standard 608 Skateboard bearings.

* The "arrow" fittings on the male and female parts have very tight clearance. Make sure you clean out any support remnants (especially