Pimax 8k/5K+ headstrap with headphones upgrade

My printed upgrade for the original Pimax 8k/5k+ headstrap.

New Version here : https://www.thingiverse.com/thing:3903415

Updated orientation

Now with headphones !

I used a cheap (about 10€) gaming headphone from AliExpress that has microphone dead for the speakers and foam. Could have been smaller but it actually fit with the rigid part of the strap.
The inner size for speakers is 40mm which seems to be standard, if too loose they might need some glue to stay in place.
Assembling t