Here are some random things I’ve done in the past.
For my startup, Iteraite, I had multiple variations of the web solution. Here’s the initial version I had (tutorial video):
For my 3D video conferencing startup, 3chron, here is a compilation video I made before shutting it down (and being acquihired):
Here is another 1min video demoing the basic 3d video conferencing concept:
And here is me Pitching it at Techstars:
Further in the past, for my short-lived Startup, KuberSys, here is the POC I made myself (using OpenCV and a TOF 3D camera). The goal is to allow people to enter text/numbers on an AR headset:
Here