DJI Mic Mini magnetic lanyard.
I use a 2mm cord. The holes are 3mm for the cord.
In case you are using magnet delivered with the Mic Mini, just press it in an you are good to go.
In case you would be using other magnet, add a drop of glue for securing.
There are different designs using different magnets:
There is also a lanyard connector piece with:
The lanyard is is a safety and convenience feature, you may just skip it. This is a symmetrical design, print 2 pieces.
Once you are done, just put it under a T-shirt and you can wear the mic, without worry of loosing the magnets. It gives also additional support, so the mic won't pull down the shirt.
The author marked this model as their own original creation.