75mm Reusable Spool

This is the equivalent of the Bambulab Refillable Spool but for eSun cardboard spools.Boost MeDid you find this model useful? Please consider boosting it to give it some visibility, it helps a lot!WARNING: this model applies only to eSun cardboard spools with a 75mm core diameter, please read below before proceeding.eSun filaments are a cheap alternative and are easy to source from Amazon, but the cardboard spools are not AMS-friendly and can also get easily damaged while shipping. I find all the so-called adapters unreliable inside the AMS and re-spooling is often a messy job, so I decided to design this.Some eSun cardboard spools have a smaller core inner diameter when compared to Bambulab refills so, before ripping off the cardboard shoulders from the filament spool I strongly advise checking the spool core inner diameter using the Spool Core ID Tester: if the measured diameter is 75mm then this model, as an adaptation of the printable version of the Bambulab Refillable Spool, can c