I created a spool roller kit that requires minimal material but offers the best possible performance. This project is compatible with spools of any brand and size. I also recommend printing the ball bearing heads with TPU to ensure optimal functionality.

Here is the shopping list from Aliexpress for this project:

4x bearings 608zz https://a.aliexpress.com/_EGIsm6n

1x Silica box https://a.aliexpress.com/_EI4ITNp

1x Hygrometer https://a.aliexpress.com/_EwjyMo3

1 x PTFE tube https://a.aliexpress.com/_EvB8N0f

1x PTFE joint https://a.aliexpress.com/_EQrT2yF