Segment with a magnet for the honeycomb storage wall.
The hole in the interior has place for a magnet with Ø10mm and height 6mm. Pause the print at the layer before finishing the top surface and insert the magnets before continuing.
The pause can be done automatically:


I used two of these 10mm*3mm magnets.
Printed with TPU for easier fit, but other materials may also work.
The author remixed this model.
Magnet element compatible with the honeycomb wall storage.