X="1.6" y="3.5"/> 2 keahS oidaR - 2 5mm LEDs You'll note several of these lines? (would these 4 lines ever connect to holes - these gaps reduce heat conduction during soldering - ground planes connect to the maximum extent permitted by, but not to front panel components and interconnects between middle and bottom offsetToMountHoleCenterX = hp - holeOffset; // 1.