Filament Tube Connector

Filament Tube Connector

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Print Profile(1)

All
A1 mini
P1S
P1P
X1
X1 Carbon
X1E
A1

0.12mm layer, 2 walls, 15% infill
0.12mm layer, 2 walls, 15% infill
Designer
29 min
1 plate
4.0(1)

Open in Bambu Studio
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Description

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A simple connector that allows you to extend the filament tube.

This design utilizes a tapered screw thread; the tighter you twist, the more secure the connection. No additional metal parts or screws are needed.

Note: Currently, only testing with Bambu Lab's stock filament tube (4mm outer diameter) is done. It is best to use an older tube, as old tubes often have a small cut at the end that can be engaged with a small ring in the model for enhanced security. Ensure the filament tube joints are seamless and centered. The nut can be tightened by hand or with an 8mm wrench.

Currently, my tests show it functions correctly; please leave a message if you experience any issues.

Comment & Rating (4)

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Very nice design. I particularly like the nuts. All other tube connectors that I have been able to find so far are just for push-in. However, there is a functional problem with the model. Because the middle part is mirrored, there are both left-hand and right-hand threads. This would make it difficult to screw tight, as you cannot screw the nuts against each other. Since both nuts have right-hand threads, I believe this is to be unintentional. In the picture it is both right-hand thread too.
(Edited)
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I did mirror in my first version, which brought more issues, there would be one side left and one side right thread. But the nuts are the same. For the second attempt (this version), I did threads on both side desperately, to keep them same direction.
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One end of the nut's threads is reversed, mirror printing is required
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Print Profile
0.12mm layer, 2 walls, 15% infill
one side of the threads didn’t work well
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License

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