Print in TPU, no supports needed! I poke a hole with a soldering iron or with a metal rod and torch. I made the “necklace” part from a piece of un-extruded filament and melted the ends together. I also realized I use “make overhangs printable” as the overhangs on the bottom are a little steep! Doesn't affect anything else.
I left holes for air flow, charging and status LED.
I used 0.28 Layer Height
The author marked this model as their own original creation.