Ender 3 (All Models) - Direct drive and Fan Duct, BL Touch Compatible
thingiverse
This project is a conglomeraion of several models and features i wanted in one compact package, namely a direct drive mount and a fan system similar to the Petsfang Bullseye duct. All of the printable parts are either original or heavily modified and they all work together in a compact and cohesive unit. The models used will be listed at the bottom of this section. This version is without the two large blower fans on the sides, and the base setup uses all stock hardware except for one bolt. The BLTouch obviously adds some extra hardware, if you choose to use it. _______________________________ Tools needed: ================= <b>M4 tap</b> __________________________ Bill of materials: ======== One <b>M4x8 Flathead screw</b> - this holds the extruder plate onto the frame. If you are using a <b>BL Touch</b> sensor you will need: <b>2x M3x8</b> <b>2x M3 hex nuts</b> <b>2x M4 flat head</b> Plus the mounting hardware you'd normally use to attach a BLTouch. The frame mounts to the X-axis carriage via the two screws that hold the little metal box on the stock printer. The extruder is held on by the stock fasteners. Please see the assembly file for orientation. You will need a length of PTFE tubing to bridge the extruder and the hot end, I just eyeballed the length. Since it is so easy to remove the extruder, making this too short is not really an issue, but I'd err on the longer side, as you can't put material back on. For the part cooling fan, screw the small black m2 socket head screws into the frame to form the threads prior to trying to put the fan on. The duct should sit snugly in the outlet of the fan. _____________________________ Reference models used: ====================== Bltouch adjustable mount: https://www.thingiverse.com/thing:2122894 BLTouch Model: https://grabcad.com/library/bltouch-v3-1-2 BLTouch Documentation: https://locxess.de/3d/BLTouch_Anleitung_englisch.pdf Ender 3 cad model: https://grabcad.com/library/creality-ender-3-pro-1
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