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Pi Camera Drag Chain Connector for PI Case

Snap-in link to connect drag chain for pi camera cable to Matripolyx's case for mounting Raspberry Pi 4B to MK3 frame.
28m
1× print file
0.20 mm
0.40 mm
4.00 g
9
39
0
435
updated January 3, 2023

Description

PDF

I am in the process of setting up Raspberry Pi 4B and a Pi camera on both of my printers (stock MK3S+, and a Bear upgraded 3S+ scratch build) to run Octoprint and monitor my printers remotely.  I found this Pi case that mounts directly to the MK3 frame, and which can be adapted to the Bear frame by adding a pair of drop-in T nuts.  It has a plain rectangular port for the ribbon cable used to connect the Pi camera:

https://www.printables.com/model/217153-pi-case-v2

Then I discovered this print in place drag chain designed specifically for the camera ribbon cable:

https://3dmixers.com/m/25683-raspberry-pi-rapicam-camera-ribbon-cable-drag-chain-v2

I needed a way to connect the two.  I briefly considered trimming the ears off the top link, and just gluing it in place, but a better solution was to design a link to connect the two, which snaps together, and maybe more importantly for maintenance, it can also be disassembled easily.

I printed it with the tabs that lock it into the case pointing up.  I don't like using supports if I can help it but I found it to be helpful with this part.  I am including my sliced gcode file so that you can see where I painted on the support, but you should of course slice your own.  But hey, if you want to use the file I sliced for my modified, scratch built printer with non-Prusa extruder and modified firmware, I guess go ahead if you are feeling lucky.

The next part of the project will be to design a link for the other end of the drag chain, to connect to the articulating arm assembly on the x-end.  Will post that also once it is designed and tested.

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