Revised E3D V6 Heatsink fan and Adjustable Part Cooler Duct

thingiverse

This revised version incorporates several improvements over my original "Adjustable E3D V6 improved fan adapter and modded Prusa MK3 Layer Cooling" (https://www.thingiverse.com/thing:3512817). The redesign is a remix of thed0ct0r's "E3D V6 improved fan adapter with modded Prusa MK3 Layer Cooling", https://www.thingiverse.com/thing:2769783 .\r\n\r\nA key revision made on June 18, 2019, addresses an interference problem reported by users, and a STEP file has been generated for reference (though its utility is uncertain, as I lack software to work with it).\r\n\r\nThis version boasts a slightly stronger and more stable structure while primarily offering the capability to position the 5015 part cooling fan to the left of the nozzle rather than to the right. This allows the fan to draw air from above, providing better cooling performance and avoiding issues that some MK3 users have encountered with fan motors making noise or burning out due to angled fan blades.\r\n\r\nThe design still utilizes thed0ct0r's heatsink cooling fan mount concept, which has demonstrated improved performance over traditional methods. Additionally, it offers a convenient mounting system for part cooling fans, enabling easy access when changing nozzles or servicing the heat block area.\r\n\r\nThe part cooling fans provide versatility, allowing users to position them at an angle of 45 degrees like the current PRUSA MK3 fan design. This configuration provides a more direct heat path and allows for fine-tuning the height with a single M3 screw.\r\n\r\nThree different options are available for the part cooling duct: one fires primarily downwards, while another two versions (2 and 3) offer side-firing configurations to better cool extruded filament. Users can select their preferred duct style when downloading and slicing the files.\r\n\r\nTo assemble the fan and duct arrangement, users should tip the duct forward and insert the clip into the slot at the bottom of the heatsink mount part, then push the upper part toward the heatsink until it snaps in place. To remove, a small screwdriver or blade can be inserted between the clip and mount while pulling on the clip until it unsnaps.\r\n\r\nIn accordance with the GNU - GPL license, the Fusion360 file for this design is published at https://a360.co/2Rc5zvw .