The fan duct fits I3mk3s+ perfectly and prints easily (printed with Prusa's CF PC blend).It actually did not improve my PLA cooling at all, so in the end I went with other dual fan design. (edited)
Hello there,ended up with this one: https://www.prusaprinters.org/cs/prints/59631-mk3s-double-fan-shroud
@panKrasny_146882 Which one did you go with?
The fan duct fits I3mk3s+ perfectly and prints easily (printed with Prusa's CF PC blend).
It actually did not improve my PLA cooling at all, so in the end I went with other dual fan design. (edited)