"Box Breathing" is a calming and coping technique we've been using as a family for years. Finally got around to making a wearable reminder to practice this. It's hard to read the text in a single color filament, so I painted them with contrasting nail polish. The ones I printed with tri-color filament (all the colors the full length, not variegated) are much more legible, but not in still images and I can't upload the video file right now. Currently printing a test of two color printing and I'll upload those files if it works.

Photographed is printed at .16 layer height on a .4mm nozzle with archimedean spiral bottom, 15% honeycomb infill, concentric top in glow-blue-in-the-dark PLA. Less infill might work with the plain top version or if you flip the Stoic Virtues words to be on the bottom instead, but then they'd also be quite light and that may make them less pleasant to use - more infill for more weight might be preferred by some folks.

Put this on a nice piece of cord to turn it into a necklace (that's our plan).