Magnetic Shoelace Magnet Resize

I designed this after learning that the original used 0.5 in diameter by 3/16th of an inch thick neodymium disc magnets. Thats great, but after looking everywhere I learned that the only place I could find that sold that kind of magnet was adafruit and it would be around $20 CAD to ship them. I gave up and just redesigned the model. I was going to make a customizer app but I learned that I need to use OpenSCAD which is really hard so Im not going to do that for now. They work fine but the magnet