fan duct for Prusa I3mk3 B7

prusaprinters

<p>The original broke near the screw so I beefed it up...</p> <p>2 versions... Original air flow with slightly thicker walls...</p> <p>Second version has vents crossing the current from the direct openings from the fan. No part fan air directly going down...</p> <h3>Print instructions</h3><p>When printing this by itself, be sure to turn on cooling and set a minimum layer time in order to get a clean part.</p> <p>No supports required.</p> <p>Printed in PETG or ABS</p> <p>You might want to glue or double stick tape this to the adjacent part. With use it may sag or droop from heat on the opposite side of the screw...</p>