Several plastic parts and a pair of seals are needed for the construction. You can see how the valve works in the video. The valve is primarily designed for plastic canisters 10l,15l.... Lid for canister is currently not modeled, and is necessary drill 25mm hole to original canister lid.

Plastic parts:

• main
• valve
• nut
• screw
• air (optional I have better result without this part)

Seal parts:

• 3x Silicone O-Ring 22x18x2mm for example this or this
• 1x flat seal 1" or 25x38x3mm for example this

Printer settings:

• PLA filament
• 0.4 mm Noozle
• 0.2 mm quality
• Support required only for main