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Pond pump reducing adapter

by sharv999, published

Pond pump reducing adapter by sharv999 Dec 19, 2012

Description

I needed to reduce the internal diameter of my fish pond pump outflow port from 22 mm to 12 mm to suit the existing hose setup so I designed this reducing fitting. You can change the diameters in the OpenSCAD to suit your own installation. My first OpenSCAD to STL project :-)

Recent Comments

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Yep - agreed. Not the most elegant fluid mechanics solution but it was a good introductory exercise in OpenSCAD :-) Thanks for the comment!
This is neat, but it will put more stress on your pump, reducing it's life and maximum head, but if those don't matter, it's perfect!

I cheat in my pond and use old garden hose on my pump output.

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Instructions

Printed on a Replicator 1 using 1.70 mm ABS at 100% infill (watertight ...) with 0.2 mm layer thickness and 50 mm/s feed rate. Use a raft and print with the larger diameter sitting flush with the build plate.

<p>This is neat, but it will put more stress on your pump, reducing it's life and maximum head, but if those don't matter, it's perfect!</p>

<p>I cheat in my pond and use old garden hose on my pump output.</p>

<p>Yep - agreed. Not the most elegant fluid mechanics solution but it was a good introductory exercise in OpenSCAD :-) Thanks for the comment!</p>

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