Extruder fan duct for radial fan on Wanhao Di3+
Description
I recently changed to an all metal hotend and I started getting hotend clogs galore, especially with TPU. I had already planned to change to a new fan and set my mind on this fan duct. I finally made the change and no more clogs! I can even use retractions with TPU. I made some changes to fit the fan I have. * Rotated the fan "arm" a tiny bit * Increased the fan opening height * Made another slot to fit the hinge next to the fan opening I created pins to use instead of screws. They should be tight enough to stay in by themselves. But there are slots in the pins so that you can keep them in place with a rubber band if need be. I suggest that you print the test model first to make sure that the fan duct fits your hardware. Fan used FYSETC 24V-DC Radial Fan https://www.amazon.se/dp/B0C7S6JNVP?ref=ppx_yo2ov_dt_b_fed_asin_title **My printer settings** Printer: Wanhao Duplicator i3 Plus Slicer: Cura 5.8.1 Printing material: PLA Printing temperature: 195 degrees Build plate type: Glass Build plate temperature: 55 Layer height: 0.26 mm Use adaptive layers: Yes Adaptive layers variation step size: 0.01 mm Adaptive layers topography size: 0.2 mm (resulting layer height: 0.20-0.32 mm) Top/bottom thickness: 0.78 mm Tob/bottom pattern: Zig zag Wall thickness: 1.35 mm Wall ordering: Outside to inside Infill pattern: Gyroid Infill density: 20% Support structure: Tree Initial layer speed: 30 mm/s Top/bottom layer speed: 45 mm/s Outer wall speed: 45 mm/s Inner wall speed: 70 mm/s Infill speed: 80 mm/s Support speed: 55 mm/s
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