Filament dry box

2025_10_19 - added spool flange with 51 mm diameter.
Designed for standard size spools (200 mm in diameter, 68-70 mm wide, central hole 51 or 52 or 53 or 54 or 55 or 56 or 57 or 58 or 59 or 60 mm).
Info to "Filament guide" file: this part is placed to M6 nut from inside of box to guide filament precisely out of box, to avoid scratching filament by M6 nut thread.
Check assembly video here:
https://youtu.be/nv_-X8WUdI0
Hardware list:
plastic airtight container (https://www.temu.com/goods.html?_bg_fs=1&goods_id=601099535377892 or whichever else of 4,5 liter of volume, all of them shall be the same)
4 pcs screws M3x10 ISO 7380
4 pcs knurled brass insert nuts M3
2 pcs pneumatic fittings D4 M6
2 pcs nuts M6
1 pc pneumatic coupling D4/D4
1 pc hygrometer
2 pcs ball bearings MR126 ZZ (d6 x D12 x W4 mm)
1 pc rod D6-84 mm (aluminum, steel, brass, ...)
30 cm PTFE tube 4/2 mm