A kind of sleeve/cone for your XL ball winder, which stops the yarn from getting caught when unwinding for machine knitting, winding a warp for weaving, and many other fiber arts when you need a smooth unwinding yarn package.

Its designed for this cone winder

Printed upside down with no support.

Printed on a Prusa mk4 mmu3

Infill: 20

Layer height: 0.20mm

Support: yes

Filament: prusament PLA galaxy black