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Simple filament pull-through bung/fitting with — image 1

Simple filament pull-through bung/fitting with

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Simple bung for pulling filament through some kind of plane. Useful for keeping filament in a dry box or similar.

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Model information

Category
Accessories
License
Creative Commons — Attribution

There's nothing unique about this. I just made this to learn new CAD and printing techniques.  The through-hole is oversized at 2.5mm to ensure no snagging for 1.75mm filament. Threads are intentionally a bit loose for easy fit. The bottom is coned for easy filament insertion.