Friend and colleague Matt Parker just posted a video of Lumarca, an open-source volumetric 3D display. Lumarca was Matt’s thesis project at ITP, and appeared most recently at SIGGRAPH Asia:

It’s pretty awesome.

Gizmodo has a good roundup of the technologies behind a number of commercial 3D displays. Take a look and you’ll see that none of this technology really has a chance of getting into the hands of artists, makers and hackers any time soon. Lumarca, however, is ready to go. Here’s the build instructions and source code.