Small knob for a Tektronox "Position"

The Horizontal Positional knob broke on our TDS3034, but it broke in such a way I could get some measurements to design a new one.

Bet you can't guess which is mine...

Seems to be a nice snug fit. It wasn't too scary to push on, and doesn't feel loose.

Time will tell if we need a V2.

'course, if I'd looked here first, there would be one less to choose from. :-D