Optimized desiccant box for filament spools
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Optimized print desiccant box (no holes only walls and infill)
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution — Noncommercial
Fast‑Print 3D‑Printed Desiccant Box with Infill Ventilation Grid
This 3D‑printed desiccant box is designed to efficiently hold moisture‑absorbing material while printing fast and using minimal filament. Instead of traditional perforated walls or complex grills, the design cleverly uses infill exposed on the first and last layers to create a highly effective ventilation grid.
Product Description
The box relies on the slicer’s infill pattern to form an open, breathable structure on the top and bottom layers. This allows air to circulate freely through the desiccant while significantly reducing print time and model complexity. No additional holes, meshes, or support structures are required.
The outer diameter of the box is specifically designed to fit inside the center hub of standard filament spools, allowing the desiccant to be placed directly inside the spool for optimal moisture control during storage.
By eliminating dense top and bottom surfaces and replacing them with infill‑based grids, the model prints quickly and consistently, making it ideal for large quantities or rapid production.
Design Features
Ventilation grid created using infill on the first and last layers
Diameter sized to fit the center of filament spools
Very fast printing time compared to traditional vented boxes
Imporved airflow for efficient moisture absorption
Lightweight and material‑efficient design
Simple geometry with no complex details
Easy to customize via infill pattern and density
Use Cases
Inside filament spools
Filament storage boxes
Dry boxes and sealed containers
Any enclosure requiring passive humidity control
Recommended Basic Printing Settings
Material: PLA, PETG, or ABS (depending on environment)
Top layers: 0
Bottom layers: 0
Infill: 60% grid (adjust airflow as needed)
Layer height: 0.2 mm
Supports: Not required
Customization Tip
Airflow and strength can be fine‑tuned by adjusting the infill pattern and percentage directly in the slicer, making the same model adaptable to different desiccant types and humidity levels.
Optimized Print Settings
My setting to optimize print time on prusa XL using variable height and 0.6 nozzle.
Print time on Prusa XL
Box: | Lid: |
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Lid
From 0 to 2 mm | From 2 to 8 mm (for better threads only) |
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Box
From 0 to 2 mm | From 47 to 53 mm (for better threads only and overhang) |
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