For Raspberry Pi Zero W so you can use Octoprint with your MK3/MK3S/MK3S+ printer.
[https://help.prusa3d.com/en/article/raspberry-pi-zero-w-preparation-and-installation_2180](https://help.prusa3d.com/en/article/raspberry-pi-zero-w-preparation-and-installation_2180)
If you prefer a step-by-step guide, it is available here:
[https://help.prusa3d.com/en/guide/octoprint-for-original-prusa-i3-mk3-1-preparing-necessary-components_95536](https://help.prusa3d.com/en/guide/octoprint-for-original-prusa-i3-mk3-1-preparing-necessary-components_95536)

rpi-zero-frame  is a helpful tool to find pins on Raspberry Pi Zero W during installation and also to maintain proper distance from Rambo board when installed. It acts as an electrical insulator do you don't short circuit contacts on the Einsy Rambo board.

raspberry_cover is simply a cover to create a protection for the already installed RPi Zero W.
 

Print instructions

PrusaSlicer's default PETG 0.2mm presets.