WiFi Antenna Mount for Prusa Mk3S+
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A screw-on mount to hold an external SMA WiFi antenna for the Raspberry Pi Zero.
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- Printables
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- Prusa Parts & Upgrades
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- Creative Commons — Attribution — Noncommercial — Share Alike
The internal antenna of the Raspberry Pi Zero 2W mounted inside the 3D printer had poor reception, so I upgraded it to use an external antenna. This part is screwed to the 3D printer's frame to hold the antenna connector (SMA) in place and support the antenna itself.
To use this, you first need to modify the Raspberry Pi Zero to use an external WiFi antenna. The mod is described here: https://www.briandorey.com/post/raspberry-pi-zero-2-w-external-antenna-modhttps://www.briandorey.com/post/raspberry-pi-zero-2-w-external-antenna-mod. You also need an M3x6mm screw (pan head or cheese head) to mount the antenna holder to the printer frame.
Print with 0.4mm nozzle, 0.2mm layer height, supports needed for the hexagonal part.
I found that WiFi reception was best with the antenna angled away from the printer, as shown in the last photo.