eSun filament spool hub
thingiverse
It will pressure-fit into the newer (clear-plastic) eSun brand 1kg filament spools with 51.5mm bore size. The hub has 8mm bore.
Download Model from thingiverse
With this file you will be able to print eSun filament spool hub with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on eSun filament spool hub .