Bambulab A1 filament switching

End october 2025: Perfectly working on A1 and A1-mini for 1,5 years ! No more need to remove PTFE tubes ! This has been the main usage of this accessory. (you have access inside the head, and ,if necessary, you can even push with a piece of filament in the PTFE tube, in case of a broken filament, and you have a very easy access from both ends of the PTFE tube.) Also check: https://www.thingiverse.com/thing:6945805 ==================================================================== Switch one or more AMS-lite or 1 to 4 external spools with one-or more A1 or A1mini A 90 degrees turn does the job. Based on a question and with the help of EricDeNice. It uses the standard filament hub.(Added:) The clip must be removed, by turning it. This device also ensures an easy access to the AMS-lite hub, without removing the PTFE tubes. For an optional screw replacement, refer to: https://www.thingiverse.com/thing:6945805 This will ensure a better fixture (but my printers worked for 10 month