Large tall rectangular desiccant container box with funnel
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Large, multiple size desiccant box that prints flat and assembles with dovetails. Lid screws securely. Includes funnel!
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Updated at source:
Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
I wanted a large desiccant box to fit in my filament drawer, but there wasn't something that would just fit in the area I had, so I used this to get more experience with CAD.
Inspired by another design I saw on Thangs, but I needed a different size and wanted to make it so it printed flat for better strength. So this is a completely new model.
The files are available to modify on OnShape. I tried a few different sizes, and it may still need a bit of tuning to look perfect, but it's working now, so feel free to use it!
If you want a specific size, let me know and I can upload it.
STL and STEP files are 100x100x50mm, shown in the image below:
But other sizes can be generated in OnShape to whatever you want: 200x200x50:
Printing:
Print it flat using auto-orient.
Print 2 lids, 2 sides, and 2 fronts. The design is fully symmetric.
I printed in PLA with a 0.4mm nozzle with 0.2mm layers. It can probably be printed with thicker layers just fine.
WARNING: if you print really big ones (greater than 200mm), I found that the sides may bulge out a bit over time from the weight of the desiccant if you print it in PLA. So for larger ones, it is best to use PETG or ASA/ABS…
Prints fine without support, but the one screw hole could be supported if you wish. It would only add a small amount of filament/time.
Assembly:
Slide the front/back pieces into the half-dovetail cutouts in the side pieces (the ones with the larger screw boss). Then add the other side piece by aligning the dovetails and sliding together with the front/back.
Slide the lid into the bottom and top.
Closure:
You can add M3 heat-set inserts and 5-10mm M3 cap-head screws
-or-
(new 2025/01) Use 10-12mm M3 cap-head screws without heat-set inserts
Using:
Fill it using the included funnel so you don't get tiny balls all over the place. I printed mine in TPU, but it should work in any filament.
Changes:
2026/01/30: Added a tall skinny 40x300x40 box (you're on your own for a funnel?)
2025/01/05: Uploaded more sizes and made screw hole smaller so a M3 screw can be used without a heat-set insert. Added funnel design.