These designs are compact containers to bring toothpicks or cotton buds with you.
Designed to be compact, ergonomic and strong (the weakest part around the treading is 1.2mm i.e. 3*0.4mm walls thick).
The container main bodies prints straight without supports. The caps need supports and can be printed straight too.
The standard files are designed for a printing clearance of 0.15 to 0.2mm. If your printer cannot achieve this you can use the "large tolerance" files.