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Two traces cross on opposite sides of the rail + a safety margin center_adjust = 5; $fn=FN; tolerance = 0.25; // for cylinder indentations, set the quantity, quality, radius, height, and placement indentations_cylinder = true; set_screw_radius = 1.5; // // indentations // // // Whether to create cutouts around the top edge smoothing // thanks to http://www.iheartrobotics.com/ for the arrow's shaft size. Engraved_indicator_shaft_scale = 1.5; // How much horizontal space needed for left-hand and right-hand sub-panels left_panel_width = 12.5*3 + tolerance*4; //three knobs plus space between them //left_panel_spacing = left_panel_width / 3 + tolerance*8; right_panel_width = width_mm - hole_dist_side - thickness; // draw a "vertical" wall to mount the circuit board to, dead center // pcb_holder(h=10, l=top_row-rail_clearance*2-15-thickness, 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 ", hole_dist_side, height - v_margin - title_font; saw_out = [h_margin + working_width/4, row_1, 0]; square_out = [third_col, third_row, 0]; fm_lvl = [second_col, first_row, 0]; c_tune = [width_mm/2 - h_margin, top_row, 0]; left_rib_x = hole_dist_side + thickness; v_margin = hole_dist_top*2 + thickness; v_margin = hole_dist_top*2 + thickness; right_rib_x = width_mm - thickness*2; // How much to cut off to create holes for square, hexagonal etc. Shafts. ≥30 means "round, using current quality setting". Top_rounding_faces = 30; // Height (in mm). If you use 9 mm pots, you're on your own! The jacks, like the SPDT switch, needed a nut behind the panel design and includes 2.5mm centerward shift for input and output CV.

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