31 back_surface Back Surface  | | | | 29 seat_surface Seat Surface  | | | | 4 star_leg_base Star-shape Leg Base  |
32 back_hard_surface Back Hard Surface  | | | | 30 seat_hard_surface Seat Hard Surface  | | | | 5 central_support Central Support  | | 6 central_support Central Support  | | 7 star_leg_set Star-shape Leg Set  | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 8 seat_connector Seat Connector  |
| | | | | | | | | | | | | | | | | | | | | | 27 caster_stem Caster Stem  | | 28 wheel Wheel  | | | 25 caster_stem Caster Stem  | | 26 wheel Wheel  | | | 23 caster_stem Caster Stem  | | 24 wheel Wheel  | | | 21 caster_stem Caster Stem  | | 22 wheel Wheel  | | | 19 caster_stem Caster Stem  | | 20 wheel Wheel  |