CreatBot F430 Spool Holder

This is a revised spool holder for the CreatBot F430 that helps reduce drag on the spool, tho the friction between the spool and holder is low enough that the bearing don't usually turn. Print from a high temp material like ABS or Nylon.

#### Required Hardware

| QTY | Item | Source |
|:------:|:------|:---------|
| 1 | M8 x 45mm Socket-Head Cap Screw | [McMaster-Carr](https://www.mcmaster.com/91290A446/) |
| 1 | M8 Nylon-Insert Locknut | [McMaster-Carr](https://www.mcmaster.com/94645A210/) |
| 2 | 688 or 608 Radial Bearings | [McMaster-Carr](https://www.mcmaster.com/7804K117/) |
| 1 | 8mm ID x 10mm OD Ring Shim | [McMaster-Carr](https://www.mcmaster.com/92927A154/) |