STLs will line up automatically in Bambu Studio!
You only need about 2 layers of the artwork so scale the STLs to 0.4mm in height. The 3mf is for Bambu Studio or Orca Slicer. It's set to a 0.2mm nozzle. It has a 12x3 (12.25x2.8) negative cylinder and a pause gcode to insert magnets.
The author marked this model as their own original creation.