How to make a semblance of an online fitting room?

Question

augmented reality

1. How to track, for example, a person's leg and draw a 3D model of a sneaker on it?
   Or trace the body and draw a t-shirt?
   
   
2. What 3d model format to use
   
   
3. Is a back end needed?
   

Thank you.

Answer 1

This is such a difficult task that it does not even make sense to give practical advice.
Without experience and alone - nothing, but if you do it and do it well, then wait for a line of investors to come home
wannaby

Answer 2

you can draw it without problems if we are talking about the position of the full face / profile, but who will digitize the whole store of clothes? this is 15-20 minutes per product if the scanner is industrial ...

Answer 3

At the moment for python3.4, the build works fine
if you strictly follow the instructions on kivy.org