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G1/4 reservoir anti cyclone disk and bubble strainer insert for (printer) watercooling

I bought a freezemod pump with a short reservoir (40mm ID) and it kept sucking in air. This fixes the issue
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updated June 25, 2025

Description

PDF

inserts for brass thread <-> pneumatic tubing fittings and 40mm internal diameter G1/4 reservoirs

Reduces Pump noise and the reservoir looks better



the brass part of the fitting has a cavity of 10.5mm depth and ≥9.6mm width. The insert has a slight press fit into position.

print settings:
ASA or PETG as filament.
I recommend the TPMS-D infill pattern from the latest OrcaSlicer (nightly) for the insert, Gyroid works well too.
No top layers, no bottom layers, no outer or inner walls, ~30% density

 

The disk is printed upside down. then simply pushed into the reservoir. The ring should fit with more than enough clearance into the G1/4 thread.

print settings:
ASA or PETG as filament.
At least one solid wall.
Enough bottom layers so all of the initial 0.6mm are solid

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The author marked this model as their own original creation.

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