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Kobra X - X-Axis Tensioner Cover — image 1
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Kobra X - X-Axis Tensioner Cover

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A replacement cover for the Kobra X's x-axis tensioner. Comes in both open and closed variety!

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Creative Commons — Attribution — Noncommercial

When I found that the mounting screw for the x-axis tensioner cover on my Kobra X was stripped out, I thought about trying to repair the hole, but that felt like kicking the can down the road. So I got out my callipers and took some measurements and, after a few iterations, I had a drop in replacement.

I made two versions, one that is completely enclosed like the original, and one that leaves access to the necessary screws to adjust the belt tension without removing the cover. Both models need full supports (uncheck "Remove small overhangs" and "On build plate only"), but should print fine with your regular print settings. Once it's printed and you've removed the supports, it should be easy to mount it in the same way as the original, right down to the mounting screw. The first time you screw it in, it will have to cut the threads for itself, but after that it should be a lot easier. 

I've posted the .STEP file as well, so if you have any ideas on how to improve this design please feel free to post a make or remix when you're done. Happy printing!

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