Hose Union (customizable)

Hose unions for joining flexible rubber hoses as used on automotive vacuum and ventilation systems, etc. Push the end of the tube over the union and secure with a screw clamp or tie-wrap. Set the parameter tube_id to the inside diameter of the rubber tube. The .stl files are for 25mm diameter tube. N.B do NOT use on engine cooling systems unless you're sure the plastic you're using can withstand the temperature and pressure, ABS is NOT suitable.