https://news.ashishkale.in/3d-printed-heads-let-hackers-and-cops-unlock-your-phone/

Probably would not be easy to get all of the shots needed to create a proper 3D model of yur head but still a bit unnerving. Seems like a simple fix for this. We all have micro expressions. I am guessing we all have micro twitches, certainly eye blink speed and or frequency could be used.

 

It would need to be a very pointed 3D head to unlock mine.

 

Coneheads are in vogue again?