Wear eye protection!
Make sure to print with 100% fill due to the high pressure in the Co2 capsule.
Add six M3x16mm screws, VQES04 valve diaphragm, two 22 x 2.4mm O-rings, 150mm acrylic tube (2mm wall thickness) and a 50mm x 2.4mm silicone O-ring. Assemble. Have fun!
Both parts are designed for printing without support structures.