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Replacement water pump cap for RainPoint "Solar Irrigation System" — image 1
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Replacement water pump cap for RainPoint "Solar Irrigation System"

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A replacement plastic cap with ~1/4" OD barbs used in the RainPoint "Solar Irrigation System" in case yours broke

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Model information

License
Creative Commons — Attribution — Noncommercial

I broke the ¼" barb off my RainPoint “solar irrigation system” pump and after attempting to just add a barb back onto it (which also broke), I remade the cap with reinforced barbs.

I was able to get it to seal properly enough when enabling Ironing and the below settings in PrusaSlicer, but if you run into leaks such that it can't pull a vacuum, you may need to do something like coat the top with epoxy to seal it.

Print settings on Prusa Mini S in PrusaSlicer:


Layers and perimeters:
Layer height: 0.1mm
4 perimeters
Seam Position: Random

Infill:
Top fill pattern: Archimedean Chords
Bottom fill pattern: Archimedean Chords
Ironing enabled

Support material:
Generate support material
Style: Organic
Support on build plate only

Speed:
Perimeters: 60mm/s
Small perimeters: 15mm/s
External perimeters: 50%
Infill: 80mm/s
Solid infill: 20mm/s
Top solid infill: 15mm/s
Support material: 60mm/s
Support material interface: 100%
Bridges: 35mm/s
Gap fill: 20mm/s
Ironing: 15mm/s

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