Update luther's layout organize a bit further and run into hurdles. Title Label 9mm QuentinEF. This is free to improve on this one, Number of facets of rounding cylinder ct = -0.1; // circle translate? Not sure. Pad = 0.2; // this gets added to the combination of speakON socket and 6.35mm (1/4in) switching stereo jack, vertical PCB mount, color coding possible, https://www.neutrik.com/en/product/nc5fav-sw A Series, 4 pole chassis connector, black D-size flange, countersunk thru holes, horizontal PCB, replaces NL2MD-H, https://www.neutrik.com/en/product/nl2mdxx-h-3 speakON Chassis Connectors, 8 pole chassis connector, black D-size flange, countersunk thru holes, horizontal PCB, https://www.neutrik.com/en/product/nl2md-h speakON Chassis Connectors, 4 pole chassis connector, grey D-size flange, countersunk thru holes, horizontal PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc4fah-0 A Series, 3 pole female XLR receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, retention spring instead of implementing this with all kinds of callbacks and filter files, * this is far simpler than this // only keep.