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Magnetic shoelace fasteners

what you need:  2x model of magnetic shoelace
                            superglue (instant-glue)
                            4x Neodymium block magnet 20 × 6 × 2 mm - https://www.unimagnet.com/neodymium-block-magnet-20-6-2-mm-1-6-kg-pull-force_z405/

The models are easy to print. Just apply a small amount of glue and press the magnets into the square pocket.

Thread the shoelace through the magnetic shoelace model and tie a knot at the end.