Tuohy needle base for Augmented Reality trainer

Tuohy needle holder, for tracking in iOS augmented reality program. Print the QR code in the source code in a 4cmx4m size and attach onto the printed holder.


Demonstration of functionality here:

https://www.youtube.com/watch?v=iy-fjlgrNpw

Source code for the iOS program here: https://github.com/smarmau/ar-spine-sim