Sewing Machine Bobbin

Sewing Machine Bobbin Boost MeSupport this project (for free!) If you enjoy my work, please consider giving it a BOOST.It helps a lot!Thank you. A fully functional printable bobbin for sewing machines (bottom thread). This model is designed as a replacement for standard plastic bobbins (Class 15 / A-style). The two-part design allows for easy printing without supports. WARNING: Since the bobbin spins at high speeds inside the sewing machine, it is mandatory to glue the two parts together after snapping them! The mechanical snap-fit alone might not withstand the centrifugal force, and unglued parts could separate during sewing.Dimensions:Outer Diameter: 20.2 mmHeight: 11 mmShaft Hole: 6.3 mmAssembly Instructions1. Prepare the parts Ensure you have 2 printed halves. Check the mating surfaces for any stringing or blobs and clean them if necessary. The parts should fit together cleanly.2. Apply Glue Apply a small drop of superglue (cyanoacrylate) or plastic welding glue to the interlocking