This filament guide is designed as a companion to the AMS saver. When I installed my AMS savers about a year ago, I couldn't find any suitable guides, so I made this drop/bullet-shaped funnel. It has a small thread to secure it firmly onto the PTFE tube, preventing accidental detachment. This guide features a wide Ø4.5mm opening at the top, narrowing down to Ø2.1mm where it connects to the PTFE tube, making filament insertion easy. I have been using this for about one year and have had no issues of it getting stuck in the roll.
Mounting.
When mounting the guide, avoid overtightening. Once you feel resistance while twisting, the connection is secure. Overtightening will not strengthen the connection; in fact, it may strip the PTFE tube, weakening the hold.
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