Singer 221 Bobbin
thingiverse
This is a bobbin for a singer 221 I have tested and works. You will need to apply some quick glue for holding the two pieces together in Mexico we use something called Kola LoKa (Crazy Glue) maybe in USA Loctide 495 my best reasearch. If there is a way you can give me feedback to improve the design please feel free to do it! Thanks
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