55mm diameter spool - Gridfinity 2x1

Scheared a while for the perfect gridfinity compatible spool holder. I like this one the most. I prefer the 18mm shaft. But if it doesn't fit, I added the 13mm one from the original design. The holder is also really handy if you don't use gridfinity. Max 55mm diameter Max 36mm width Thank you a lot Schokotux for the design!