It is designed to try to autocenter the spool (but due to varies spool sizes it is very difficult to find a perfect design). I reccomend to glue with VHB tabe the assembly on the bottom center of the pot.
Print settings:
To be printed in ABS, with 5 botom/top layers and 4 walls, 40% infill.
Hardware required:
1x 608 bearing (or 608zz)
Assembly:
Just pressfit the bearing between the two parts.
Other models that I use in my drybox:
https://www.thingiverse.com/thing:4974987/files
https://www.thingiverse.com/thing:4939669
https://www.printables.com/model/80802-dry-box-filament-pass-through
PS: I used a brazillian brand pot with 4.5L capacity:
https://www.lojaplasvale.com.br/pote-linha-mais-4-5l-plasvale
Se você é brasileiro 🇧🇷, junte-se a nós no Discord:
https://discord.com/invite/pUpXTrJ83D
The author marked this model as their own original creation.