small spool extension coupler —

Founded small spool extension coupler models & stl files for printing
Spool Winder
les_kaye
spool holder
Tiger3DPrinting
Spool holder
Kubak
spool holder
CNCpatrick
Spool Adapter
MechLink
Spool holder  2Kg
Dominik Císař
Spool Holder
Sir Ged
Spool holder
mr_fats