Ender 3. MK8 3D Printer Extruder (Left)

Improved MK8 aluminum extruder block for 3D printer. With large retracts and when using soft materials – does not chew plastic.

3D printer plastic feed mechanism.
The girth of the bar is a flat gear and a recessed bearing.
Lever orientation to the left side.
Holes for the Nema17 engine flange.
Thread for M6 fittings.