Chest phone/tablet support

What about put your tablet or phone on your belly to watch a film in bed ?
This thing will help you.
For a heavy tablet you may need "stabilisateur" part.
Printed at 0.25 mm layers, 20 or 30% infill.
Public on Onshape :
https://cad.onshape.com/documents/7e47e82fd980e7f972f02bc5/w/daf137538e727b2c4e04e8a0/e/9f7f0f3c87623a09fa6537e1