This is a small device that is designed to clip into the Bambu reusable spool to ensure that it is correctly locked together and cannot accidentally come undone, causing untold headaches (as I learnt to my cost).
I made this as I recently had an occurrence of such a problem and decided it would be better safe than sorry.
The orientation it is printed in does not give the best finish but it is the strongest in the plane that it most important and you do not want the lower half of the tab breaking off.
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.