Three part respirator venturi valve for casting
thingiverse
I carefully craft it so the nozzle fits smoothly, allowing me to connect the two cones of the venturi together tightly. I'm currently printing it out, using ABS plastic since it has a bit more flexibility. My goal is to print this and then use it as a starting point for creating a silicone mold. This mold can then be used with acrylic resin. Since the nozzle is the only part that needs to be printed, I see potential in making nozzles with different diameters.
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