Single Herbal Cigarette Case (8 cm) (air and watertight)

Pretty robust, air and water tight single Herbal Cigarette Case.

Holds a single 8cm x 0,8cm

Use a dental rubber band in between the parts to make it airtight.
Fit might be right according to your printers tolerance.

If it is too loose, you always can heat the cap and slightly bend the fit section.
If it is too tight, you can always sand it.