Dasaki Compact Direct Drive Extruder for Prusa i3 (MK8 drive gear)

cults3d

Compact direct drive extruder for Nema 17 motors. https://youtu.be/2DG1vYbFB0w (The video shows the MK7 drive version.) There are two versions, depending on the filament you use. For 1.75mm filament, you must add a 4mm OD/3mm ID PTFE tube piece. You have two options for each version: one with the motor pointing to the left and another one with the motor pointing to the right. It allows a clear view of the filament input hole. It includes a filament guide/pressure adjustment mechanism, which you can secure using some glue to fix the knob to the M4 screw. You can choose four different stiffness levels for the piece: A, B, C, and D. Level A is the softest (most flexible), while level D is the hardest (least flexible). No supports are needed; the supports are included in the 3D models. To assemble this extruder, you will need a hobbed Drive Gear (MK8 with an approximate effective diameter of 7mm) and the following hardware: 1x 623 bearing 1x M4x10mm-15mm screw, hexagonal head (knob) 1x M4 nut (knob holder) 3x M3x8mm screws (motor) 1x M3x10mm screw (bearing) 3x M3x25mm screws (assembly) 2x M3 nut (assembly) 1x M3 auto-locking (nylon) nut (assembly / filament guide) If you are a curious maker or hacker, visit my blog at http://www.therandomlab.com for more information.