row_2 = row_1 + v_margin + 12; //knob_radius top_row = height - v_margin*2 - title_font_size; working_increment = working_height / 6; // generally-useful spacing amount for vertical columns of stuff center_adjust = 5; // Number of faces around the top knob top_row = height / 2 + (enable_stem ? Stem_height : 0) + knob_height - sphere_indents_cutdepth; for (z = [0 : sphere_indents_count]) { z_position = height - 25; // build up seven rows; middle one unused row_2 = row_1 + vertical_space/7; cv_in_1a = [left_col, row_5.