The file 'Spool Hub 3D Printer Model' is (STL) file type, size is 6.3KB.
I had problems for the mounting of my filament spool. The inner hole was not consistent over all manufactures. I made this spool hub so that I can mount any spool with an inner hole ranging from 30 to 60 mm. I have mounted them as a set on a m8 rod fastened with two m8 nut with washers between the nut and the printed hub. On top of these mounting arms :
spool_hub.STL | 26.2KB |