Vertical Spool Holder - Hex version

Note: the photos show the first iteration of the parts, the design has already been adapted based on the shortcomings, but also not tested to verify they DON'T need slight manual post-processing.


There's already a lot of well designed spool holders here, but I was looking for a really simple one that uses very little material.

So I've made this design, which is printed in several flat parts and then assembled to hold a spool vertically, like a paper towel roll.
It's based on my 3kg spool's need for 32m center.

The parts needed for use:
3x / 6x "Top Slice": 6x if you want to use 6x 608 bearings as "wheels", but it works for my 3 kg spool fine with just 3.
3x "Top Slice Plain": in case you only use 3x of the "Top Slice", print 3x "Top Slice Plain". They're the same, minus the part that holds the bearing.
3x / 6x "Axis Clip": Print as many as normal "Top Slice" you printed. Push a 608 or equivalent onto it, then into the bottom of a "Top Slice".
1x "Rail": so the spool sta