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JJ-CCR head cover — image 1
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JJ-CCR head cover

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Cover for the JJ-CCR (rebreather) canister head. Designed to prevent o-rings to gather dust or sand.

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Model information

License
Creative Commons — Public Domain

I have tried to search for perfect but simple head cover for JJ. Once that I have found are either too complex, or too tight fitting, so I designed my own.
This one uses 169.6 mm hole for the head. It should stick to o-rings, but not too tightly.

Bottom is open, so you can easily pull the cover from the head. There is also holders for HUD and Petrel controller.

Prints fine in PLA or PETG without any support.

This idea is based on https://www.thingiverse.com/thing:2375228 I just wanted to have bit more loose fitting, open botton where you can pull, and holder for HUD and controller.

 

I have uploaded two versions of .STL with different wall thickness. Thicker one, width 2.01 is 4 lines when printed in 0.3mm DRAFT settings.