A possible suggested method to hang your Sculpture. Use the appropriate hanger for your wall. I would use one that would support 100 pounds. Even though the Sculpture shown weighs 11-12 pounds.
1. Lift Sculpture by support rods
2. Turn Sculpture towards wall
3. Tilt at angle
4. The top of Sculpture - Tilt in towards wall with one hand on front face of Sculpture. Place the washer on Sculpture on the wall hanger.