DRY BOX for 3D Filament: Hygrometer, Desiccant, Direct Printing!

Protects your 3D printing filament from moisture to keep it fresh.
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updated June 20, 2025

Description

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Print your own 3D printer filament Dry Box!

Check out this video I made about it, including assembly instructions:

Parts are optimized to work best with PLA filament. Easy printing, no support material needed. Snap-fit rollers, hygrometer and desiccant container.

Get the parts needed to complete it here: https://val-rc.com/products/diy-build-kit-dry-box-for-3d-printer-filament 

Or if you want a fully assembled one: https://val-rc.com/products/dry-box-for-3d-printer-filament 
 

Want to source the parts needed yourself? Component list: 
- Hygrometers: https://s.click.aliexpress.com/e/_oFYsSaQ
- 4x Bearings: https://s.click.aliexpress.com/e/_ooU8HMW
- PTFE Connector PC4-M6: https://s.click.aliexpress.com/e/_oCRlLr8
- PTFE Tube: https://s.click.aliexpress.com/e/_oD7ytK2
- Silica Gel: https://s.click.aliexpress.com/e/_olrPNiw
- Cereal Boxes: https://amzn.to/42Ysx0a *

(*Affiliate links, I receive a small commission at no extra cost to you)

 

Recommended print settings:
- PLA Filament
- 0.2mm layer height
- 30% infill
- No support material

UPDATE 17.03.2025:
- Added "Tighter fit - ValRC DryBox Roller" file - print if tolerances around bearings are loose.
- Added “Longer rear pegs - ValRC DryBox Base” file - print if rear roller doesn't stay in place.

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Model origin

The author marked this model as their own original creation.

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