Immersion R&D (http://www.immersion.fr ), the French company who brought the cubtile 3D multitouch device, demonstrates how this solution can provide the illusion that the user is manipulating 3D content right between his own fingers thanks to a see-through HMD.
This work is partially funded by the French National Research Agency in the scope of the CARE research project.
http://www.careproject.fr/