Yet Another KX2 "VFO A" Tuning Knob

A common complaint about the KX2 radio is that its VFO A tuning knob is on the smallish side. (Of course the entire radio is small, so it is expected.) Several Thingiverse contributors have offered designs to overcome this short-coming of a truly outstanding QRP rig. Unfortunately, and in just my opinion, most of these designs fall short in 1 of these 4 areas:
- I couldn't get them to fit my VFO's shaft, being either too large or too small. Without the CAD file, it took lots of tweaking in my