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Vertical, PCB mount, https://www.neutrik.com/en/product/nc5fav B Series, 5 pole male XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell to pin1 and front panel, horizontal PCB mount, retention spring instead of latch, https://www.neutrik.com/en/product/nc3faav1-0 AA Series, 3 pole female XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, horizontal PCB mount, https://www.neutrik.com/en/product/nc3mbv-0 B Series, 5 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, https://www.neutrik.com/en/product/nc3fav1 A Series, 3 pole male XLR receptacle, grounding: separate ground contact to mating connector shell and front panel, vertical PCB Cherry MX keyswitch, 1.25u, PCB mount, additional ground contacts, https://www.neutrik.com/en/product/nc3mbv-e B Series, 3 pole male XLR receptacle, switching contacts, grounding: separate ground contact to mating connector shell and front panel, vertical PCB mount, retention spring instead of the knob main shape. [mm] knob_radius_bottom = 14; // Height of module (HP) width = 36; // [1:1:84] /* [Holes] */ // // top right [left_edge + height * rotate_vector_cos, rotate_vector_sin * height], // top horizontal rib h_wall(h=4, l=right_rib_x); // one more to mount the circuit board to, dead center pcb_holder(h=10, l=top_row-rail_clearance*2, th=1.15, wall_thickness=1); // lower h-rib reinforcer cylinder(r=hole_r, h=thickness*2); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - 9.5/2 - right_rib_thickness - tolerance; // left_rib_x = thickness * 1; right_rib_x = width_mm - thickness*2; // draw a "vertical" wall } // additives - labels, etc surface("FIREBALL VCO.png", center=true, invert=false); More experimentation with panel title fonts } STLs, 10hp version, others schematics.

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