October 19, 2025
Description
This customizable OpenSCAD model generates fan spacers for common PC fan sizes.
Supports 40mm, 50mm, 60mm, 70mm, 80mm, 92mm, 120mm, 140mm and 180mm fans.
It includes editable parameters for thickness, corner radius, screw hole diameter, fan hole diameter with automatic screw hole placement.
Fan hole diameter override parameter lets you manually control the diameter of the central hole.
By default, the script sets the hole size to fan size - 3mm. This leaves a 1.5 mm wall between the edge of the airflow hole and the edge of the fan frame.
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CC0
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