Three.js/WebGL Project. -- 2

Please do not bid if you will raise price over 500usd. I need to make a sofa configurator like this example: [login to view URL] [login to view URL] (only sofa part) 3D models will be provided. You should be an expert webGL/[login to view URL] designer. Requirements: 1. Load Base Models 2. Select Material 3. Select Colors 4. Select Arm Rests, Seats, Corners, Lay Back Seats 5. Arrange and Combine Components 6. Display Price and Update on-the-fly (as User changes Material and Components) 7. Output Parts List 8. Undo/Redo Action 9. New File 10. Save 11. Tool Tip 12. Help the web developer to Integrate with website and ecommerce