Delta-P fan duct V2-R2 for BEAR extruder

prusaprinters

<p>This is version 2 (V2) of the Delta-P fan duct for BEAR. It has several updates compared to the original:</p><ul><li>Easier to print</li><li>Better cooling</li><li>Refined flow path</li><li>CFD optimized</li><li>Even cooling front to back and left to right</li><li>Improved visibility of nozzle</li><li>Added hexagons!</li></ul><p>Print guidelines:</p><ul><li>0.20mm layer height</li><li>No supports</li><li>Orient for slicing as shown in images</li><li>PETG, ABS, or other high temp material</li></ul><p>Many thanks to members of the Prusa3D discord for providing feedback and doing the CFD analysis!</p><p>Running MK3S or MK3S+ extruder? Click here for the MK3S(+) variant:<br><a href="https://www.prusaprinters.org/prints/62523-delta-p-fan-duct-v2-r2-for-mk3s-extruder">https://www.prusaprinters.org/prints/62523-delta-p-fan-duct-v2-r2-for-mk3s-extruder</a></p><p>Link to the original Delta-P fan duct:&nbsp;<br><a href="https://www.prusaprinters.org/prints/12775-delta-p-fan-duct-for-mk3s-extruder">https://www.prusaprinters.org/prints/12775-delta-p-fan-duct-for-mk3s-extruder</a></p><p>&nbsp;</p><p>Changelog:<br>7 April 2021: Small model change to improve bridging at exits.</p>