Thingiverse
MakerWorld
MyMiniFactory
Printables
Thangs
Cults
CGTrader
Youmagine
Gambody
Etsy
Tags
Ashford 3D Printable Models
Spinning wheel bobbin
Printables
BTuck
Ashford Jumbo bobbin core with 6.6mm hole
Thingiverse
PrimaryTroubleshootingBot