A simple 1-to-3 buffered mult - Eurorack-talk for an audio/CV distributor
The board itself is a 3U 4hp rack-mountable module
This circuit was designed by https://www.skullandcircuits.com/utilities-buffered-multiple/ and their T&Cs apply to commercial use (I built these for myself)
Vertical 9mm TH Variable Resistor/Potentiometer from AliExpress
Similar to RK09D113
Type B (linear). Available in a range of values.
Haven't physically tested the footprint yet. Model is of a similar, but different, pot.