X="3.75" y="3.4"/> 10k NTC Thermistor - 2 x switching (normalling) stereo jack and switching ground contact, horizontal PCB mount, https://www.neutrik.com/en/product/ncj10fi-h-0 Combo I series, 3 pole female receptacle, grounding: mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3fbh2 B Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, steel retention lug, horizontal PCB mount, replaces NL2MD-V, https://www.neutrik.com/en/product/nl2mdxx-v speakON Chassis Connectors, 8 pole chassis connector, black D-size flange, mirrored self tapping screw holes (A-screw), horizontal PCB mount, https://www.neutrik.com/en/product/nc4mamh-ph A Series, Chassis connector Phoenix H male (A series layout), mates with Phoenix MSTB2,5/3-ST, horizontal PCB mount, asymmetric push, https://www.neutrik.com/en/product/nc5fah-da A Series, 3 pole female receptacle, grounding: separate ground contact to mating connector shell to pin1 and front panel, steel retention lug, lateral right PCB mount, https://www.neutrik.com/en/product/nc5mbv speakON Combo, 2 pole chassis connector, grey D-size flange, countersunk thru holes, vertical PCB mount, https://www.neutrik.com/en/product/nc3faah1 AA Series, 3 pole male XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell to pin1 and front panel. Opportunities abound for aesthetic choices. Determine appropriate stand-off hardware for connecting front panel design and includes 2.5mm centerward shift for input and output jacks working_height = height - v_margin - title_font; left_rib_x = thickness * 2; right_rib_x = width_mm - thickness*2; // draw panel, subtract holes union() { difference(){ color([.1,.1,.1]) panel(width); // lower h-rib reinforcer cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", hole_dist_side, hole_dist_top); echo("Putting a hole for mounting screw: ISO 1481-ST 2.2x4.5 C or ISO 7049-ST 2.2x4.5 C.