Direct drive extruder 1.75mm/3mm with J-Head/E3D mount in OpenSCAD

thingiverse

V1.2 is available online at http://www.thingiverse.com/thing:846403 A new OpenSCAD model of a direct drive extruder is released, suitable for use with both 1.75mm and 3mm filament materials. The model offers extensive customization options. The creator invites users to show off their handiwork by uploading a photo with the caption "I made one". They emphasize the importance of following instructions carefully. A crucial note is that the provided .stl file may be unusable if the user intends to employ alternative parts instead of those specified in the original design. It is highly recommended that users consult the accompanying .scad file for comparison and to ensure a correct assembly. Instructions for the project are clearly outlined: Warning: Be cautious when using the pre-provided .stl file as it requires the same set of parts as specified in the design. Required parts, or "vitamins", for this build include: 3x 24mm M3 screws for stepper motor mounting 2x 26mm M3 screws for hotend clamping 2x 30mm M3 screws for tightening the lever 4x M3 nuts 4x M3 washers for adjusting the lever's tightness 2x springs to secure the lever 1x 625 ball bearing 1x 16mm M5 screw (cut and filed) for mounting the bearing 1x bowden tube connecting the hotend to the hobbed gear 1x bowden coupling attaching your filament spool 1x hobbed gear with a 5mm internal diameter 1x high-torque NEMA 17 stepper motor 1x jHead mount-compatible hotend, such as E3D V6