Bambu Reusable Spool - A1 Mini Compatible

About:This remix, most importantly, gives purely A1 Mini users the ability to print their own replacement spools with the small machine. In doing this, a square design was used to fit just inside the build volume, allowing for a proper spool, but fitting in the smaller space. Some other changes to this model are:Changed the six filament holders to four, on per corner.Used a less dense hexagon mesh for the side to allow for faster printing with strength. Adjusted the placement of the filament inf