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Filament cap for end of 4 mm PTFE tube

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A cap that captures the end of the filament in a 4mm PTFE tube. Useful for dry box
26m
1× print file
0.20 mm
0.40 mm
Flex
5.00 g
2
21
0
66
updated December 12, 2025

Description

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Printed here in TPU, this little cap captures the end of the filament and allows it to be drawn out of the drybox and retracted without opening the drybox. It also seals the PTFE tube end when the filament is pushed back in.

Tags

drybox

Model origin

The author marked this model as their own original creation.

License