Accented note (right/left hand suggested r/l: Quieter, unaccent note *R or *L: Trill this note Variations MSD: L* L* -> only second half of the rail + a safety margin // margins from edges h_margin = hole_dist_side*4; v_margin = hole_dist_top*5; width_mm = 70.8; // 14HP×5.08mm = 71.12; ES for 14HP is 70.8 first_row = 25.65; //mm second_row.