Barbed pump adapter (from 8.6mm/0.34in to 1/2")
thingiverse
Instructions: Attach a 1/2" poly hose to a pump featuring an 8.6mm or 0.34in barbed connection. I engineered this attachment to easily connect a 1/2" poly hose to a pump equipped with a smaller diameter barbed connector. First, I applied some strong super glue and slipped it snugly over the barb on the pump's head. When attaching the hose, exercise caution not to crack or damage the fragile pump's smaller barb as they are not incredibly resilient. Print this attachment with 100% infill, just like any other practical component.
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