12g to 16g CO2 Cartridge Adapter

Been having trouble finding a CO2 pump that accepts 12g cartridges anymore (super cheap when you purchase the Airsoft/BB gun versions) and I saw rynil2000's version here. As his is 8g to 16g, I adapted it to accept the larger 12g version. My example is printed in ABS at 235C with 100C print bed. Note that I don't have an unthreaded 16g cartridge handy so I had to guess and it fits in my Performance bike QuickShot pump. Let me know if you have issues (hopefully with accompanying measurement