Remote Fan Mod for Ender 2, Ender 3, CR-10

thingiverse

4-1-2020 An updated hot end vacuum duct version was added, redesigned to sweep to the left for easier access to mount holes. The hose clips were also reworked to include a hole for a "spine" that adds rigidity and support for the tubes. It works very well! 12-22-19 Ender 5 STL files were added for the Dual Fang option, courtesy of an Ender 5 Facebook group member Tom P. Find it at https://www.facebook.com/groups/ender5creality/permalink/1574026362750621/. 12-22-19 A V6 Clip on style hot end duct was added (Work in Progress). Unfortunately, it lacks the strength to stay on and requires a zip tie. 12-18-19 Blower clips were updated for a more snug fit on the hoses. 11-13-19 MicroSwiss style Hot End Ducts were added. 11-16-19 V6 style Hot End Ducts and parts cooling Fangs were added. 11-18-19 Text was added to the Exhaust Vacuum Duct. This duct is designed for two 5015 fans, with one running exhaust for parts cooling and the hot end running intake (vacuum) to avoid disrupting part cooling airflow. Two blower ducts can be used if desired, but a 5015 fan is too much for the hot end, cooling the print too quickly. This design requires four M3x.05 bolts that are 25mm long. The seamless tubing from Amazon was used: https://www.amazon.com/gp/product/B078KJLTFC/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1. The vacuum hot end duct was created to remove the hot end cooling fan's airflow that blows down on the print and acts like a part cooling fan. Moving the fans removes vibration and inertial forces the fans create while the print head is moving. These same forces seem hard on the fans, causing them to fail, shorten their lifespan, and make noise as they fail. This remote fan system eliminates all vibration and inertial forces from the print head.