Bingo! (because i don't success till now, i don't gave the good public authorisation to my Google Drive Cloud)

https://impress.pcon-solutions.com/?embed=https%3A%2F%2Fdrive.google.com%2Fopen%3Fid%3D1x6EbPYIOywzoqffsikCIU4N-_z_XYesE

you must see 2 walls, a floor and a guy! ( a simple skp example file who is on my Google Drive)

but that can be any 3D files who is accepted by PCon Planner! http://pcon-planner.com

All is free!

Have fun 360°, VR walking etc...!