Centering disk remix to fit larger Sunlu spool center holes for Miklos Kiszely spool winder.
This is for Sunlu spools with ~72mm center hole.
I embossed Sunlu and 72mm all the way through.
The .3mf file has both sides on the same build plate already for easy instant printing.
In case the .3mf file has problems for you I have now uploaded the STL