If you would like to control more than four variables, take a look at these two concept sketches. The smaller version has eight knobs and is more compact. The full size has room for a label that describes the function of each knob.
It’s not ideal but the best solution I found. Options around it:
· Remove the top of the thin wall (will expose the potentiometer)
· Move the trimpot up (the knob will not be centred)
· Rotate the trimpot (makes routing more complicated)
I can probably reduce the distance to the trimpot by 0.1-0.2mm, it will be slightly better, but I’m not sure how standardised the trimpots are (have tested with two different versions). If anyone have any proposals, let me know!
It worked ok-ish for me when I printed with PLA (0.4 nozzle):