Modular Filament Storage for Dry Box+Desiccant Box

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There are a lot of great desiccant system for use with 4 liter cereal dry box out there. I've been using and trying out different systems out there but none satisfy my needs completely. So here's my attempt in making one.

 

Features:

 

1. Living in a high humidity area means I'm doing a lot of desiccant drying. This system is modular, which means you can snap out the desiccant box and plop it into your filament dryer without transferring the desiccant to another container. The desiccant box is designed with maximum holes to ensure maximum airflow during the drying process. If you intend to dry the desiccant box, please print it (Base & Cover) with PETG filament. The rest of the items be can printed with PLA.
2. You can use this system without the hygrometer. This way I can print extra desiccant box and print the hygrometer holder as needed.
3. Comes with optional Filament Type Label.
4. Comes with optional Filament Transparency Swatch. This is fitted right behind the hygrometer and serve as a color label at the same time. 
5. No Support Printing. The last thing I want is to deal after printing is removing support. This system does not use support printing. Remove parts from plate and assemble with simple joint fit.
6. Supports rectangular hygrometer.
7. Supports round hygrometers from Bambu Lab & third party. Bambu Lab's hygrometer comes with vertical tabs, while many third party hygrometer have tabs with 30 degree angle. This system support both.

 

and few more minor QOL improvements:

1. The desiccant box storage space is optimized to hold more desiccant than most system.
2. You can store the hygrometer holder and T-joint bracket inside the desiccant box for storage. You can print extra set of this system and keep it all neatly in your drawer.
3. Did I mention no support printing?
4. Ready-to-print labels for most filament types.

Printing

 

The default print profile uses PETG filament because the desiccant box is designed to be used inside your filament dryer. PETG's glass transition (Tg) temperature is approximately 80°C. You can also use higher Tg filament such as ABS (100°C). Using higher Tg filament allows you to put the desiccant box into your filament dryer to dry the desiccant with higher temperature (up to Tg temperature) without the box softening or melting. 

 

So, if you're printing the desiccant box with PETG, you can set your filament dryer to dry up to 75°C. If you print with ABS, you can dry it with up to approximately 95°C and so on.

 

If you are printing this in PLA, make sure you do not dry your desiccant box higher that its Tg, which is usually around 50-70°C. 

 

Updates

1. 3 Dec. 2024: Added Filament Transparency Swatch as a separate print profile. 
2. 12 Dec. 2024: Increase the Base's wall thickness to 1.8mm to avoid deformities during drying.
3. 1 Jan. 2025: Now supports round hygrometer with vertical tabs from Bambu Lab and others with 30 degree angle.
4. 3 Jan. 2025. Added support for rectangle hygrometer. New profile for rectangle hygrometer holder and labels.
5. 6. Jan 2025. Set the default filament type for the base print profile to PETG. Fix some design issue in the base groove.