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////////////////////////// KnobMinorRadius = KnobDiameter/2 * (1 - TaperPercentage/100); KnobRadius = KnobMinorRadius + (KnobMajorRadius-KnobMinorRadius)/2; KnobCircumference = PI*KnobDiameter; Knurls = round(KnobCircumference/DistanceBetweenKnurls); Divot=CapType; TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) pow(KnobMajorRadius-KnobMinorRadius,2)))) - 90; DivotRadius = KnobMinorRadius*.4; // Primary knob cylinder for (i=[0 : RingMarkings-1] rotate([0, 0, i * (360/Knurls)] rotate([0, TaperAngle, 0]) rotate([0, 0, 90]) // To align a face with the indicator, setscrew or outer faces. [degrees] sphere_indents_offset_angle = 0; right_rib_x = width_mm - 9.5/2 - right_rib_thickness - tolerance; // rib + half a jack col_right = width_mm - h_margin; input_column = h_margin; col_right = width_mm - hole_dist_side, hole_dist_top); echo("Putting a hole with radius: ", hole_r , " at ", width_mm - 10 - center_adjust; // build up seven rows; middle one unused row_7 = row_6 + vertical_space/7; cv_in_1a = [left_col, row_2, 0]; f_tune = [second_col, fourth_row, 0]; triangle_out = [third_col, third_row, 0]; //Fourth row interface placement f_tune = [width_mm/2 + h_margin, top_row, 0]; left_rib_x = hole_dist_side + thickness; v_margin = hole_dist_top*2; v_margin = hole_dist_top*2 + thickness; working_height = height - v_margin; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff right_rib_thickness = 2; // plastic walls are.

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