Lego train tank car

A tank car for lego trains. Based off 7939. The cylinders may need to be glued to the central block, the studs might not be enough.

Wheelbase can be found here:
https://www.printables.com/model/1365314-lego-train-bogey-system-bonus-files
https://www.printables.com/model/974321-lego-train-bogey-system