Class 15 bobbin
thingiverse
I measured a class 15 bobbin with precision using a regular ruler and created a model based on that in FreeCAD. The measurement was then tested in a sewing machine that required a class 15 bobbin, proving its functionality. The v3 model is printed in two easily assembled pieces, eliminating the need for scaffolding and resulting in a clean print ideal for bobbins. I'm still learning CAD but plan to make adjustments to eliminate the use of super glue altogether. Stress testing will also be necessary, but my girlfriend's sewing hobby keeps the bobbin from being used constantly. Any feedback on this design would be greatly appreciated!
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