Spool drying filament insert

This is a universal spool drying filament insert.
I use it for spool vacuum storage.


####Hardware
For assemble you will need:
1. **M3 x 6mm screw** - 1 piece
2. [**M3 melted nuts** 3.0x4.6x4.5][5] or 3.0х4.5х4.5 - 1 piece


####Print settings
Print with PetG / ABS / PLA
No supports
Infill: 20-40%
Perimeters: 4


[5]: https://sl.aliexpress.ru/p?key=H3OZOs6 "aliexpress example"