A threaded protective cap for Sodastream 60L CO2 cylinders.This threaded cap screws on snugly (Un-threaded models tend to be too tight to fit, or too loose and slide off).

The cap prints in about 15 minutes using PLA filament with default Cura PLA settings. Example caps were printed on our Creality Ender 3 Pro.

We use a two color cap scheme: Green for fully charged cylinders, white for cylinders which need to be filled. Pick whatever works for you...