With tutorial from https://www.computervision.zone/courses/3d-hand-tracking/ hand tracking that opens up a portal in unity
Hand tracking is done using python, OpenCV, and CVZone (see 3DHandTracking.py).
The data is sent to unity (see UDPReceive.cs).
Run 3DHandTracking.py first then run unity scene.
#Change local UDP port in UDPReceive.cs