My daughter wanted to design a new starter that was able to start 6 marbles at once. So I took her drawing to OpenSCAD and created it. You might want to adapt the OpenSCAD-file to fit your printer's accuracy and magnet size.
MagnetStarter.scad | 6.1KB | |
MagnetStarter.stl | 14.8MB | |
MagnetStarterBase.stl | 2.2MB | |
MagnetStarterButton.stl | 2.2MB |