Original Prusa i3 MK2 30to40mm fan adapter
thingiverse
This is a adapter to use a 40x40mm fan instead of the original noisy 30x30 fan. Airflow may not be optimal, but it works. I've measured the temperature of the heatbreak before and after the mod. It's about 5°K higher as with the original fan. Print Settings Printer Brand: RepRap Printer: Original Prusa i3 MK2 Rafts: No Supports: No Resolution: 0.2 Infill: 15%
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