Mason Jar Bubbler 17mm
thingiverse
Print with PET/PETG. Strength is not a major need, but a fairly inert plastic is good. supports from the build plate to the flange are needed. Enable settings that reduce stringing since there's two holes you would prefer to keep clean. The hole for the bowl/downspout is 17mm in diameter. It fits a mason jar with am opening of 60mm. Oh you wanted inches? google that and convert it yourself. I'm not in the mood to do that after having used this.
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