Snapmaker U1 Improved PSU and Motherboard Cooling - with CAD-Files
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Cover for the power supply and motherboard. Accommodates a slim 92mm fan, such as the Noctua NF-A9x14 PWM
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- Printables
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- Other Printer Parts & Upgrades
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- Creative Commons — Attribution — Noncommercial — Share Alike
Fan Duct for the PSU and the Mainboard of a Snapmaker U1 to improve the cooling and isolate the cold air flow from the chamber.
I also publish my CAD (FreeCAD) and STEP files for further remixing
Printed with ABS for heat resistance. Support-interfaces from PETG or PLA for easy removal.
Only slimline fans will fit (max 15mm). The fan I used is a Noctua NF-A9x14 PWM
https://www.noctua.at/en/products/nf-a9x14-pwm/specifications
24V→12V Step Down Converter needed. I use the voltage supply of the original PSU-Fan.
If you want to customize the design, use a 60x15mm fan—it fits better with the existing ventilation holes in the side panel.
edit 05/2026: added Version for 6015 sized Fans
edit 11/2026: Since some users mentioned in the comments that the RFID reader's cable was apparently too short to route it around the outside, I've created version v1.1 with an additional hole above the slot. I don't need this hole, which is why I'm not reprinting the cover. It would be great if the first person to use v1.1 could leave a comment to let us know if it fits.
If you enjoy the Design or use my CAD-Files for remixing, please give a like :-)