If you really want to stress the point that you know exactly where you are, this is for you. Also, if you tend to wake up in unfamiliar places, like, say, the woods from the Blair Witch ;)

You will need a small (18mm dia) compass for this. Check your nearest electronic marketplace for those.

Fits up to a 22mm wristband.

Creality

Ender 3 Pro

No

No

0,12

50

You will need to use TPU, PLA/ABS does not work. The two parts stick together without glue, if the printer is calibrated well.