Knob for the Creality Ender 3 (Ender 3 Pro/CR-10 etc) extruder. Has a finger tip depression to enable fast "speed scrolling" of the extruder, and is designed to match my Ender 3 / 3 pro Z lead screw knob which also has the fingertip depression. See:
https://www.thingiverse.com/thing:3373265
Ender_3_extruder_knob_v1_v2.stl | 1.1MB |