Mochilão: Electronics Backpack for Duender
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Modular, space-saving Electronics Backpack for the Duender 3D printer by Sergei Irbis. Fits dual PSUs, BTT Octopus & Pi.
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Informacje o modelu
- Źródło
- Printables
- Kategoria
- Other Printer Parts & Upgrades
- Licencja
- Creative Commons — Attribution
Overview
This Electronics Backpack was designed to provide a neat, fully-enclosed, and modular electronics compartment for the Duender 3D printer frame.
It fits entirely within the natural shadow/projection of the A/B motor mounts extending behind the machine, so you don't lose any additional footprint or workspace. It has been tested on my duender with great results!
Key Features
High Capacity: Accommodates up to a BigTreeTech Octopus-sized motherboard, Raspberry Pi, two PSUs (24V + 48V), and an SSR (or whatever you want).
Adjustable DIN Rails: Movable rail slots make it super easy to reconfigure for different board layouts and custom components.
Cable Management: Built-in slots on the side panels allow you to run zip-ties cleanly for tidy cable management.
Laminar Airflow Cooling: Bottom-mounted fans push air upwards in a clean vertical laminar flow through the top vents. Bonus: It provides marginal cooling to the A/B motors above (mostly a moral boost, to be honest).
Magnetic Panels: Quick access doors/covers held by neodymium magnets (maybe too many of them).
Hardware Required (BOM)
Quantity | Item | Notes |
3x | DIN Rails | 288mm length |
2x | Heat Set Inserts | M5 x 6 x 7.5 mm |
72x | Neodymium Magnets | 20 x 5 x 3 mm (AliExpress Link) (Note: 36x should be enough if you want to save some bucks) |
- | 3m VHB tape | To attach the magnet holders to the plexiglass |
- | Glue (E6000 suggested) | To attach the magnets to the magnet holders |
12x | M5x8 Screws | Cap head |
12x | M5 Washers | (Optional) |
12x | M5 T-Nuts | |
28x | M4x10 Screws | Cap head |
22x | M4 T-Nuts | |
6x | M4 Nuts | |
6x | M4 Washers | (Optional) |
1x | Voron Cable Gland | AliExpress Link (Trim the hex nut with an Exacto knife to fit the slot) |
2–6x | 4010 or 4020 Fans | Sunon Maglev series recommended |
1x | 358x370mm black plexiglass | For the inside |
1x | 370x400mm (or (or 2x 185x400mm) transparent plexiglass | For the back door |
Printed Parts List
Part Name | Quantity |
Upper_left_side | 1x |
Upper_right_side | 1x |
Base_left_x_fans | 1x |
Base_right_x_fans | 1x |
left_side | 2x |
right_side | 2x |
Din_rail_holder | 2–6x |
Plexiglass_magnet_holder_upper_and_sides | 14x |
Plexiglass_magnet_holder_lower | 4x |
Upper_plexiglass_holder (for back panel)* | 1x |
Bottom_plexiglass_holder (for back panel)* | 2x |
*The last 2 parts are used for the plexiglass behind the din rails, not for the doors. It can optionally be screwed to the printer aluminium extrusions with M5 T-nuts and M5x8 screws, but it should be fine without it.
Print Settings Recommendation
Material: ABS / ASA recommended (PETG is fine if enclosure temps remain moderate).
Layer Height: 0.2mm
Infill: 20% - 30% (Grid or Gyroid)
Wall Loops / Perimeter: 4 walls, 4 top/bottom layers.