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How to cut / prepare a new bowden tube?

I have the Bondtech upgraded extruder for MK3S. IT works great, but now I’m getting filament caught when trying to unload, and I think I need to replace the PTFE tube that runs between the bondtech gear and the heat break.

Are there instructions on how to properly cut / measure / prepare this tube correctly? I have a bunch of PTFE tubing, just need to know how to prepare it.

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Hi, check step8 on this link: 13. Prusa i3 MK2.5S / MK3S Upgrade Kit - Installation

You can add a small chamfer to help with filament catching on the edge.

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Phil Desrosiers will be eternally grateful.
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