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