Summary

For parts not listed here, please download them from the remix source.
https://www.thingiverse.com/thing:4823207

Cable Manager 6
https://www.thingiverse.com/thing:4760722

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Filament Guide Roller 2
https://www.thingiverse.com/thing:4823207

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The above design was merged.

Dropping silicone oil on the head of the screw will make it rotate smoothly. A little bit is good, because silicone oil on the filament can cause the feed gear to spin.