Originally designed for setting the backlash on Orion EQ-G / Skywatcher EQ6 Pro mount, this knob snaps on the worm screw axis, allowing to finelly tune the setting.
I recommand to print it in PETG, the design snaps on a 8mm axis with a flat at 7mm.
105_EQ6_knob_v.3_thingiverse.stl | 895.2KB |