row_2 = row_1 + v_margin + 12; row_2 = working_increment*1 + row_1; // special: the right-hand side tries to squeeze 6 rows into the space of 5 out_working_increment = working_increment * 4 / 5; row_2 = row_1 + v_margin + 12; //knob_radius top_row = height - v_margin - title_font_size*2; working_width = width_mm - col_right - thickness; left_panel_width = 16.5+16.5+10.5; //two knob, one jack, plus space for everything, lining things up more Make slider and LED footprints match current OpenSCAD model Make slider and LED footprints match current OpenSCAD model.