Traeger Temperature Control Knob

Boost MeBoost as you see fit, and grateful for all.  Hope this works for you.

This is not my model, but i have the permission of the maker to post it here.  Red-Card at Thingiverse posted this model; https://www.thingiverse.com/thing:6921658 .  It worked Perfectly for me.   I printed mine in PLA, but my smoker is not outside exposed to UV.  There is a hole for a set screw, but i chose not to use it.  works prefectly for me and i hope it works for you as well.