Expression pedal V0.3

This is remix of "alvarudras's" expression pedal.
It created to be used as midi controller via arduino.
The pedal has turning angle of 45 degrees, which drives potentiometer for 270 degrees.
This is version 0.3 with tolerance fix and minor adjustements on the design for durability.

Potentiometer:

Body dimensions Ø17 x 9.5mm

Shaft diameter 6mm

Shaft length 13.5mm

Product code - R16110N-B10K

TODO:
add spring https://www.thingiverse.com/thing:5374444
add more mount holes
change main shaft to 10 mm https://www.thingiverse.com/thing:4774969
maybe change design of pattern on top
add pcb mounting holes and additional support for strenght
make shaft mount without bolts
make second shaft locker better
add holes of end stop mounts
add washers