The author remixed this model.
Notches in-between the shell and insert to prevent the insert from spinning. tight tolerances so that they stay together.
Additionally magnet holes were made deeper to accommodate 5x3mm magnets I had.
the hole itself is modeled to 5.4mm x 2.6 as I found the magnets I had weren't actually 3mm tall.
Found here https://a.co/d/87ILlLd
I've also included the step models I made so that I could modify geometry.
I removed the exterior bumps because… because?