Add note that C12 is optional; not needed if using real TL0x4, fix pots being backwards, tighten up schematic, fit letter instead of latch, https://www.neutrik.com/en/product/nc3faav2-0 AA Series, 3 pole female receptacle, grounding: ground contact connected to shell ground, but not to front panel components and interconnects between middle and bottom railHeight = (threeUHeight-panelOuterHeight)/2; mountSurfaceHeight = (panelOuterHeight-panelInnerHeight-railHeight*2)/2; hp=5.08; mountHoleDiameter = 3.2; mountHoleRad =mountHoleDiameter/2; hwCubeWidth = holeWidth-mountHoleDiameter; offsetToMountHoleCenterY=mountSurfaceHeight/2; offsetToMountHoleCenterX=hp;//1hp margin on each side module eurorackPanel(panelHp, mountHoles=2, hw = holeWidth, ignoreMountHoles=false //mountHoles ought to be able to bump to 9.5mm, but need to mess with this. Less than 3, use the 4 pins RGB RGBLED LED, Round, FlatTop, diameter 5.0mm, 4 pins.