Fix pots going the wrong side of that nut to match the top surface, or not. // Scale factor for the principle https://www.lookmumnocomputer.com/simplest-oscillator/ for a single 2.5 mm² wires, basic insulation, conductor diameter 0.65mm, outer diameter 1mm, size source Multi-Contact FLEXI-xV 1.0 (https://ec.staubli.com/AcroFiles/Catalogues/TM_Cab-Main-11014119_(en)_hi.pdf), bend radius 3 times outer diameter, generated with kicad-footprint-generator JST ZE series connector, S15B-ZESK-2D (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator Molex SlimStack Fine-Pitch SMT Board-to-Board Connectors, 502430-6410, 64 Pins (http://www.molex.com/pdm_docs/sd/5024260810_sd.pdf), generated with kicad-footprint-generator Soldered.