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Hey Drew, could you add photos of your print? I guess you can seal the leaks to a degree by appying vaseline like cream into the problematic areas. Vaseline can also be used at the valves to make them less leaky. You may need stronger springs at the valves, oiled with vaseline. I'd appreciate a video after you did the sealing. smoothing inside of the pipes by acetone vapor methods can also enable the air inside to flow better. thanks for your time.