row_2 = row_1 + vertical_space/7; row_5 = working_increment*4 + row_1; row_5 = row_4 + vertical_space/7; row_6 = row_5 + vertical_space/7; row_5 = row_4 + vertical_space/7; cv_in_1a = [left_col, row_3, 0]; right_rib_x = width_mm - col_right; // column from edge plus hole radius //calculated x value of exact middle of slider panel (between steps 5 and 6); middle of slider panel (between steps 5 and 6); middle of slider panel (between steps 5 and 6); middle of slider panel (between steps 5 and 6); middle of slider panel (between steps 5 and 6); middle of panel after deducting left/right sub-panels slider_center = (width_mm - left_panel_width - right_panel_width)/2 + left_panel_width; slider_bottom = v_margin+12; out_row_2 = out_working_increment*1 + out_row_1; out_row_3 = out_working_increment*2 + out_row_1; out_row_3 = working_increment*2 + row_1; row_4 = working_increment*3 + out_row_1; rotary_knob_row = top_row - 30; //special-case the knob is stopped by something.