row_2 = row_1 + vertical_space/7; row_7 = row_6 + vertical_space/7; cv_in_1a = [left_col, row_2, 0]; fm_in = [input_column - h_margin/2, bottom_row, 0]; fm_in = [h_margin+working_width/8, row_4, 0]; left_rib_x = 0; // [0:No, 1:Yes] TaperAngle=asin(KnobHeight / (sqrt(pow(KnobHeight, 2) + pow(KnobMajorRadius-KnobMinorRadius,2)))) .