This is a armrest for the sofa. It has bottle, glass and mug holder. It has place for remote controller and key. Also it has foldable mobile stand. Mobile stand and mug holder can rotate 360'. 3d printable files are attached.3d editable iges file attached. You can edit it as you need. Tray has two legs under side. It can streach and adjust according to the thickness of the arm of the sofa. I used special types of hinge for this. Web links of the hinge are given below.

Similar Product's Link:https://www.amazon.in/Cauldham-Heavy-Duty-Self-Closing-Spring-Corners/dp/B07KCFPTW5?th=1

YouTubehttps://www.youtube.com/watch?v=GKbwAa7GRIo

If you need custom size and design, please contact with me.

Thanks,Mahbub