A companion to my last generator. This one makes cylindrical screw-top containers, with configurable dimensions and beefiness. And threads figured out for you.
https://www.printables.com/model/781549-parametric-easy-screw-top-container-maker-freecad-
(You could even store your weed KLR valve shims in it.)
Edit: This just received an update. The cap now generates with grip crenelations in it.
(: thank you. I was half joking.
Thank you for the informative response!