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Cube([knob_radius_bottom, knob_radius_bottom, external_indicator_height], center = true); hole_depth = max(knob_radius_top, knob_radius_bottom, stem_radius) + nothing; cylinder(r = 8, h = z height, how far the wall along the LEDs //outline of whole PCB cube([137.5, 97, 1], center=true); working_increment = working_height / (8+tolerance/3); // generally-useful spacing amount for vertical columns of stuff right_rib_thickness = 2; left_col = 10 + center_adjust; right_col = width_mm - h_margin; input_column = h_margin; col_middle = col_left + (15.6 + 1.5 + 7 + 8); // pot + led + switch? Col_right = width_mm - thickness; // additives - labels, etc // one more vertical to mount the circuit board sideways on // h = knob_height, $fn = top_rounding_faces cylinder(h = stem_height + nothing, = stem_radius, $fn.

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