(Un)original BMCU AMS
Print Profile(1)
Bill of Materials
Description
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This is a remix of the (Un)original Drybox, redesigned as an AMS-style filament drybox that integrates directly with the BMCU. It functions both as a storage solution and a drying system, depending on how you configure it.
The design is built around simplicity, accessibility, and compatibility with common components.
Mechanical Components
The spool system is supported by two 20 mm rods, each with a length of 330 mm. These act as the main axles for the filament rollers.
Each spool runs on a set of rollers using a total of 16 MR105ZZ bearings.
Bearing dimensions:
- Inner diameter: 5 mm
- Outer diameter: 10 mm
- Width: 4 mm
BMCU Integration
To interface with the BMCU, you will need 8 × PC4-M6 pneumatic fittings. In most cases, you already have 4 of these included with the BMCU, so only 4 additional fittings are required.
For filament guidance:
- Use 4 short PTFE tubes (~5 cm each) as feed tubes into the BMCU
- Use 4 longer PTFE tubes running from the BMCU to the printer
Fasteners and Assembly
Like the original design, this version uses:
- M3 threaded inserts
- Standard M3 nuts and bolts
These are used throughout the structure for secure assembly.
Panels and Materials
All enclosure panels are made from 3 mm acrylic (plexiglass), providing a clean look while allowing visibility of the filament inside.
Top Assembly
The top part is printed in multiple sections. After printing, it is recommended to glue the parts together using superglue to ensure proper rigidity and sealing.
BILL OF MATERIALS:
| Item | Quantity | Specification / Notes |
|---|---|---|
| Rods | 2 | Ø20 mm × 330 mm length |
| MR105ZZ Bearings | 16 | 5 mm (ID) × 10 mm (OD) × 4 mm (width) |
| PC4-M6 Fittings | 8 | 4 may come with BMCU |
| PTFE Tubes (short) | 4 | ~5 cm each (BMCU feed tubes) |
| PTFE Tubes (long) | 4 | Length depends on printer setup |
| M3 Threaded Inserts | ~50 | M3x5mm (The hole has a diameter of 4mm and a depth of 5.7mm) |
| M3 Bolts | ~92 | M3x8 |
| M3 nuts | ~48 | |
| Acrylic Panels (Plexiglass) | As needed | 2mm or 3 mm thickness |
| Superglue | 1 | For top assembly |
| Hygrometer | 1 | For humidity monitoring |
Documentation (3)
This remix is based on
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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