Prusa i3 MK3MK25 R3 Nozzle Fan Holder
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Prusa i3 MK3/MK2.5 R3 Nozzle Fan Holder

The Prusa i3 MK3MK25 R3 update comes with a nozzle fan holder but it can be improved on several points ...

similar models —

Prusa i3 MK3/MK2.5 R3 Nozzle Fan Holder alternatives
Nozzle holder
Luboš Šakal