mk2_40mm_fan_duct
grabcad
An adapter for fitting a 40mm fan onto the 30mm slot of Original Prusa i3 mk2 printers. Secure adapter using 10mm M3 screws, and fasten fan with 12-16mm M3 screws. Note that this experimental, unproven design may not function properly or efficiently; please share your experiences if you use it.
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