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This model is based on the AMS Saver Snag Cutter that was thoroughly tested and tuned for optimal performance on the standard AMS. I received a lot of requests for a version that works on the AMS Lite. Unfortunately, I do not own an AMS Lite, and I have been unable to find one locally that I can test on. This model has been carefully designed. However, it remains UNTESTED at this time. By printing and using this model you are being a “beta tester”. Please provide honest feedback and plenty of information and pictures when you run into issues. I am actively updating and improving this model, and only with your support will this model achieve its potential.
Pay close attention to the red text below!
This is an AMS Saver unlike any other. Not only does it prevent wear and tear on your AMS filament inlet, but it also prevents snags and obstructions from delaying your print!
This AMS Saver differs from the other options because it has a mechanism that automatically cuts the filament if a tangle or an obstruction (taped end of the spool) is detected. This feature is turned on or off with a slider lock. Cutting the filament when a snag is detected allows the printer to automatically switch to your backup filament by setting up the Auto Switch function. If you are running a long print, this can save you hours of delayed print time! If you don't have the Auto Switch function activated, it gives you a few minutes to take action while the printer continues to use the filament in the tubes. You have a few minutes to address the issue and re-feed the filament manually for an uninterrupted print.
Process WITHOUT Cutter
Process WITH Cutter and WITH Auto Refill enabled
Process WITH Cutter and WITHOUT Auto Refill enabled
Examples of the cutter performing on the AMS are below. Videos of the AMS Lite will be shown as they become available.
This is compatible with the AMS Lite.
This has been designed for unmodified Bambu spools. Spools that are narrower/smaller, have large gaps in their walls, or have filament clips protruding from the sides may interfere with the AMS Saver. Let me know if this is a problem for you. If there is enough interest, I may work on narrowing the AMS saver for better compatibility.
Filament - The cutting trigger force is dependent on the filament stiffness. I tested with standard PLA, but if you use a different material the trigger force may be too high or too low.
Filament Cutter - Spares may have been included in your printer shipment, or you can purchase them at the Bambu Store.
PTFE Tube - A length of 4 mm OD Teflon tube is required. Spares may have been included in your AMS shipment, or you can purchase it at the Bambu Store.
AMS Tape Saver Multi-Tool (Suggested) - This is a very helpful tool that helps hold and cut the Teflon tubing. https://makerworld.com/en/models/982416#profileId-956351
NOTE: The pictures and videos below are for reference only and are originally for the AMS. Versions for the AMS Lite will be used as they become available.
IMPORTANT: The Teflon tube length is an important variable that I have been unable to test please cut a length of tube that is able to reach the center core of an empty spool and let me know what length works best.
IMPORTANT: The Guide should be perpendicular to the rest of the assembly so that it lays flat against the spool filament. This is 90 degrees from what is shown below.
NOTE: It would be great to get some photos of this process and feedback on how well this attachment method works.
NOTE: The pictures and videos below are for reference only and are originally for the AMS. Versions for the AMS Lite will be used as they become available.
To remove and disassemble you essentially just perform the assembly instructions in reverse as seen in the video below.
NOTE: The video below is for reference only and is originally for the AMS. Versions for the AMS Lite will be used as they become available.
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Did you know that the sooner you use all your boosts the sooner Bambu Labs will refill them!? :D
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