Another (Over-engineered) Spool Holder for Creality printers

DISCLAIMER: My English is not very good, so please bear with me.

I had some problems with underextrusions and lines on my prints. I narrowed the cause of the issue to the stock spool holder on my Ender 3. So it was time to look for a new spool holder. However, unfortunately I have not found anything that I would like. There I decided to make my own using Autodesk Inventor and also I decided to share it, just for fun.

This holder has 2 types of bearings inside so the filament just rolls of it very smoothly. (Sometimes it also can be a problem, so you may want to introduce some drag to it).

It can be put on the stock Creality spool holder instead of that tube it comes with.

In the File tab you can find not only STLs, but also IPT files for Autodesk Inventor 2016, which you can freely customize(and please share your makes/remixes). Only IPT you will not find there is for bearing, which is a remix of Gear Bearing by Emmett(https://www.thingiverse.com/thing:53451) with custom d