Robust box for 50x 9x19mm cartridges. These fit snugly into the holder and cannot move much when transported. Even if it fall, nothing can happen to the contents.
Printed with 0.2mm layer and 15% infill.
The only thing you need are six M3x30 screws.
You simply screw it into the hole as shown in the instructions in the picture
The closures are completely newly developed https://www.printables.com/de/model/39729-tool-box-parametric