Printed in PLA, PETG should work as well
Use 0.2 - 0.1 mm layer height
Do not print standing
Infill 10% or more. When opened, stack the case on other to use it as cigar stand to let cigar rest.
When importing to PrusaSlicer make sure to seperate the 2 bodies. and place them on bed
The author hasn't provided the model origin yet.