elegoo
elegoo centauri
centauri carbon
elegoo upgrade
drybox
dry box
filament enclosure
spool holder
integrated drybox
filament storage

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Integrated Filament Enclosure (Dry-Box) Mod – Elegoo Centauri Carbon 1
This project replaces the stock external filament holder on the right side of the printer with an enclosed, integrated side dry-box.
Practical Advantages:
Space Saving: The filament spool sits partially recessed, significantly reducing the overall width and footprint of the printer on your desk.
Moisture Protection: Keeps your filament enclosed and protected from dust and ambient room humidity.
Passive Warmth: It utilizes the ambient heat generated inside the printer enclosure to keep the filament dry during long prints (ideal for PA-CF, PETG, ABS).
Quick Access: The outer door allows you to swap spools quickly without opening the main printing chamber.
Insulation & Sealing: To maintain internal heat and ensure a proper dry-box seal, apply a 4mm thick and 1cm wide self-adhesive foam insulation tape (standard window weatherstripping) along the contact frame of the door.
Alternative Left-Side Configuration:
This mod can also be printed and adapted for the left side of the printer. To help passive dry other filament.
Note: If you choose to adapt it for the left side, print in mirror the top left part of the door.
I used Only PLA for mine and consumed almost one filament roll , but it is recommended to use a more temperature-resistant filament for the inner part.
Bill of materials
- NameQuantityNotes
- 1m3 screw's 12 mm, m3 nut,69For the frame assembly. m3 washer you only need 14 washer's.
- 2m3 screw's 20 mm8To fix the frame to the printer. I use long screw's so i can center them on the printers case holes.
Originality of the Model
The author declares that this work is their personally original model
This model is licensed under the following terms:
Credit must be given to the creator
Only noncommercial uses of the work are permitted
Models(20)
door part 1.3mfDesigner109.12 KB
2026-06-26
door part 2.3mfDesigner104.98 KB
2026-06-26
door part 3.3mfDesigner117.85 KB
2026-06-26
door part 4.3mfDesigner116.35 KB
2026-06-26
frame part 1.3mfDesigner82.55 KB
2026-06-26
frame part 2.3mfDesigner64.61 KB
2026-06-26
frame part 3.3mfDesigner74.06 KB
2026-06-26
frame part 4.3mfDesigner74.36 KB
2026-06-26
front reinforcement.3mfDesigner117.21 KB
2026-06-26
spool lock.3mfDesigner481.27 KB
2026-06-26
back frame 1.3mfDesigner244.34 KB
2026-06-26
back frame 2.3mfDesigner157.54 KB
2026-06-26
back frame 3.3mfDesigner229.81 KB
2026-06-26
back frame 4.3mfDesigner208.84 KB
2026-06-26
back reinforcement.3mfDesigner129.24 KB
2026-06-26
door connector x4.3mfDesigner31.37 KB
2026-06-26
spool holder.3mfDesigner158.82 KB
2026-06-26
door lock bottom x2.3mfDesigner83.43 KB
2026-06-26
door lock top x2.3mfDesigner65.11 KB
2026-06-26
door slide top x2.3mfDesigner39.69 KB
2026-06-26
View all(20)











