Bambu A1 case fan adapter 50x50 (for both sides)
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Add silent and efficient cooling to your Bambu A1 with this 50 mm fan adapter.
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Model information
- Source
- Printables
- Category
- Bambu Lab Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Bambu A1 case fan adapter 50x50 (for both sides)
After finishing my 40x40 fan adapter i wanted to further optimize it.
The result is this model for a 50x50 fan which is quieter and has more airflow.
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Add active cooling to your Bambu A1 with this precise 50 mm fan adapter. It clips your fan securely into place and fits perfectly onto the curved A1 housing to improve airflow and stabilize internal temperatures.
I wanted a slim and lightweight solution so please be careful when removing the part from build plate or removing supports. The model only uses 10g and is suitable for both sides.
FUNCTION AND PURPOSE
The Bambu A1 has no built‑in case-ventilation. This adapter lets you easily add a 40 mm fan to both sides of the printer.
I recommend:
- Left side: exhausts warm air
- Right side: brings in fresh air
The adapter matches the A1’s shape and vent pattern exactly, ensuring even airflow across the entire opening. The fan can be glued in but you should prefere screws. I used M3x16 screws which hold tha fan in place and also mount the fan-holder to the base.
Mounting is possible as clip-on or i you want 200% with thin double‑sided tape on the inside.
There a 2 version to print - each on a separate plate.
Version 1 includes the hole model print-in-place but needs support and the surface suffers a little bit
Version 2 separated fan mount and base unit - which is eas y printable without support.
This two parts hold together when you mount the fan - you directly mount the parts together.
TECHNICAL SPECIFICATION
Fan Compatibility
• Fits 50×50×10 mm fans (15mm or 20 mm thick fans should also fit)
• Clip‑on the Bambu
• Fan can be glued but you should prefer mounting with M3x16 depending on thickness
(If you need different dimension please let me know - maybe i am able to help ;-)).
Fan can be powered via a step‑down module. The A1 has 2 MX3.0 (2x2) connectors delivering 24 Volts. If you only use one (e.g. AMS lite) the second one could serve as a power source. Make sure to step down the 24 Volts to whatever your fan needs.
PRINTING TIPS
• Prints in place
• Tested with PLA, other materials are also suitable