Cover for trimmer multi-turn.

thingiverse

This cover enables you to transform a basic multi-turn trimmer into a versatile multi-turn potentiometer. Simply remove the trimmer from your PCB board, place it inside this cover, and install it in a panel with your preferred standard knob. Before assembly, be sure to insert an iron pin into the small knob. With this setup, you'll have a functional multi-turn potentiometer at your fingertips.