MakerVac

Portable Vacuum Cleaner for 3D Printer Maintenance

What is it?

A compact, handheld vacuum cleaner designed primarily for cleaning 3D printers, but fully suitable for other light-duty workshop or household applications. It features a detachable dust container, an internal conical filter, and several accessories for reaching confined areas inside enclosed printers.

Advantages / Benefits

• Efficient removal of dust, debris and filament particles from critical and difficult printer areas.
• Quick-release dust container for clean and easy emptying, twist movement.
• Built-in anti-backflow system.
• Set of narrow, flexible and precision nozzles for hard-to-reach zones.
• Rechargeable battery with USB-C charging port integrated into the handle.

How to use it?

1. Assemble the dust container and any required accessories.
2. Press and hold the button on the handle for ~2 seconds to turn the vacuum on or off.
3. Press briefly while running to change speed (3 speeds available).
4. Do not obstruct the rear airflow opening during use, as it will drastically reduce suction.
5. To empty the dust container, twist and detach the waste section before cleaning it.

Compatibility

• Works with any open or enclosed 3D printer environment, and more…
• Compatible with the full accessory set

Recommended materials

• Outer housing: PLA or PETG (PETG recommended for higher temperature resistance).
• Seals: Soft TPU (ideally Shore 85 or lower for optimal sealing).
• Dust container (translucent): PETG or translucent PLA to allow visual inspection.

Print recommendations

• All parameters are already on the print profile (3MF), but there are some considerations to bear in mind:
  • TPU and translucent PETG parts should be printed one at a time (not in batch mode) to reduce stringing.
  • Both TPU and PETG must be fully dried, even if brand new, to ensure clean and accurate surface quality.

Assembly

Tools required

• Allen key for M2.5 screws (Size: H1.5) 
• CA glue or epoxy for magnet installation
• Tweezers and a small screwdriver for positioning the torsion spring and pin

Fasteners

• BHCS M2.5×14 or M2.5×12 for closing the outer shell.
• Only the PCB requires internal fastening using screws supplied with the Base Kit.

Magnets

• Three 20×10×3 mm rectangular neodymium magnets secure the dust container.
• Glue them with CA or epoxy.

Anti-backflow valve (critical step)

1. Before gluing the dust container’s inlet nozzle, install the torsion spring and cylindrical pin that form the valve.
2. Ensure free movement: the valve must open when suction is active and close when the vacuum is off.
3. Only then glue the inlet nozzle.

Filter and Electronics and power

• Insert the conical filter inside the dust container, ensuring proper positioning so that debris cannot reach the motor.
• The USB-C charging port is located in the handle.

Operation

• On/Off: press and hold the handle button for ~2 seconds.

• Speed change: short press while running (3 speeds).

  Do not operate the motor without the filter installed.

Safety notes

• Operate only with the dust container correctly assembled.
• Avoid vacuuming liquids, stringy material, loose wires, or sharp objects.
• Keep the rear exhaust opening unobstructed at all times.
• Keep hands, cables and small objects away from the intake while powered on.

Suggested Bill of Materials (BOM)

• Included on the HandHeld Vacuum Cleaner Kit
  • Motor
  • Conical filter (printed or commercial)
  • On-Off PCB Switch
  • Main Board
  • Rechargeable battery (USB-C compatible)
  • Torsion spring
• Dowel Pin Diameter 2x14mm - A M2 size bolt will work too.
• 6 × neodymium magnets 20×10×3 mm (the ones that are included in the kit are not strong enough for this application)
• 10x BHCS M2.5×14 / M2.5×12 screws

Additional print behavior notes

• TPU and translucent PETG must be printed one-by-one to avoid stringing, this is already configured on the printer profile.
• Always dry these filaments before use.
• Print only the accessories you plan to use: the included set covers the most common needs.

Design Philosophy & Development

This project was developed with a focus on practical maintenance for 3D printers: easy access, effective dust management, and motor safety through a backflow-prevention valve and internal filtration. The modular approach ensures long-term adaptability regarding future accessories. 

Future Vision & Community

• Potential for larger dust container
• Community feedback is welcome, especially regarding valve performance and electronic integration.
• Remixes and contributions are encouraged.

Curious About My Tools? Check This Out!

For those of you who often ask about the tools I use to bring ideas to life, this article, The Journey From Idea To Object (Part I), offers some insights into the initial stages. It highlights the use of various tools, including software like Autodesk Fusion for CAD design, Blender for render and Bambu Studio for 3D printing preparation, and other... So, if you're curious about the software and hardware too, that I've incorporate in my workflow, take a look at the link for more details!" – Visit https://designrepcom.com/ for much more.